CVE-2026-68747

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68747", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-07-31T13:23:00.355Z", "datePublished": "2026-08-06T14:50:03.143Z", "dateUpdated": "2026-08-19T11:50:10.843Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.HtmlSanitizeEx.Scrubber.CSS'", "'Elixir.HtmlSanitizeEx'"], "packageName": "html_sanitize_ex", "packageURL": "pkg:hex/html_sanitize_ex", "product": "html_sanitize_ex", "programFiles": ["lib/html_sanitize_ex/scrubber/css.ex", "lib/html_sanitize_ex.ex"], "programRoutines": [{"name": "'Elixir.HtmlSanitizeEx.Scrubber.CSS':scrub/1"}, {"name": "'Elixir.HtmlSanitizeEx':html5/1"}], "repo": "https://github.com/rrrene/html_sanitize_ex", "vendor": "rrrene", "versions": [{"lessThan": "1.4.5", "status": "affected", "version": "0.3.1", "versionType": "semver"}, {"lessThan": "1.5.4", "status": "affected", "version": "1.5.0-rc.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.HtmlSanitizeEx.Scrubber.CSS'", "'Elixir.HtmlSanitizeEx'"], "packageName": "rrrene/html_sanitize_ex", "packageURL": "pkg:github/rrrene/html_sanitize_ex", "product": "html_sanitize_ex", "programFiles": ["lib/html_sanitize_ex/scrubber/css.ex", "lib/html_sanitize_ex.ex"], "programRoutines": [{"name": "'Elixir.HtmlSanitizeEx.Scrubber.CSS':scrub/1"}, {"name": "'Elixir.HtmlSanitizeEx':html5/1"}], "repo": "https://github.com/rrrene/html_sanitize_ex", "vendor": "rrrene", "versions": [{"changes": [{"at": "0b9f9ad63a7529d4f2c3c1134c371adc3e654308", "status": "unaffected"}, {"at": "c311a499db0b0baef06493fb3cfeb730c0f18f28", "status": "unaffected"}], "lessThan": "*", "status": "affected", "version": "21f90012eb21aa36f4e3701b7547e12faf0f3c8b", "versionType": "git"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Only <code>HtmlSanitizeEx.html5/1</code>, and custom scrubbers declared with <code>use HtmlSanitizeEx, extend: :html5</code>, permit <code>&lt;style&gt;</code> elements, and the sanitized output must be rendered to other users. Applications calling <code>HtmlSanitizeEx.Scrubber.CSS.scrub/1</code> directly are also affected.</p>"}, {"base64": false, "type": "text/markdown", "value": "Only `HtmlSanitizeEx.html5/1`, and custom scrubbers declared with `use HtmlSanitizeEx, extend: :html5`, permit `<style>` elements, and the sanitized output must be rendered to other users. Applications calling `HtmlSanitizeEx.Scrubber.CSS.scrub/1` directly are also affected."}], "value": "Only HtmlSanitizeEx.html5/1, and custom scrubbers declared with use HtmlSanitizeEx, extend: :html5, permit <style> elements, and the sanitized output must be rendered to other users. Applications calling HtmlSanitizeEx.Scrubber.CSS.scrub/1 directly are also affected."}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.4.5", "versionStartIncluding": "0.3.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.5.4", "versionStartIncluding": "1.5.0-rc.0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "finder", "value": "Peter Ullrich"}, {"lang": "en", "type": "analyst", "value": "Jonatan M\u00e4nnchen / EEF"}, {"lang": "en", "type": "remediation developer", "value": "Ren\u00e9 F\u00f6hring"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the CSS scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other users. <code>HtmlSanitizeEx.Scrubber.CSS.scrub/1</code> applies its property and value allowlist through a <code>Regex.replace</code> over substrings matching a <code>property: value</code> declaration pattern, so input that does not match that pattern is never inspected and is copied to the output unchanged. <code>@import url(//attacker.example/style.css);</code> survives, while the same URL inside a <code>background: url(...)</code> declaration is removed.</p>\n<p>Element boundaries are resolved before the scrubber runs, so injected content does not escape the <code>&lt;style&gt;</code> element and no script executes.</p>\n<p>This issue affects html_sanitize_ex: from 0.3.1 before 1.4.5 and from 1.5.0-rc.0 before 1.5.4.</p>"}, {"base64": false, "type": "text/markdown", "value": "Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the CSS scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other users. `HtmlSanitizeEx.Scrubber.CSS.scrub/1` applies its property and value allowlist through a `Regex.replace` over substrings matching a `property: value` declaration pattern, so input that does not match that pattern is never inspected and is copied to the output unchanged. `@import url(//attacker.example/style.css);` survives, while the same URL inside a `background: url(...)` declaration is removed.\n\nElement boundaries are resolved before the scrubber runs, so injected content does not escape the `<style>` element and no script executes.\n\nThis issue affects html_sanitize_ex: from 0.3.1 before 1.4.5 and from 1.5.0-rc.0 before 1.5.4."}], "value": "Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the CSS scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other users. HtmlSanitizeEx.Scrubber.CSS.scrub/1 applies its property and value allowlist through a Regex.replace over substrings matching a property: value declaration pattern, so input that does not match that pattern is never inspected and is copied to the output unchanged. @import url(//attacker.example/style.css); survives, while the same URL inside a background: url(...) declaration is removed.\n\nElement boundaries are resolved before the scrubber runs, so injected content does not escape the <style> element and no script executes.\n\nThis issue affects html_sanitize_ex: from 0.3.1 before 1.4.5 and from 1.5.0-rc.0 before 1.5.4."}], "impacts": [{"capecId": "CAPEC-148", "descriptions": [{"lang": "en", "value": "CAPEC-148 Content Spoofing"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 2.3, "baseSeverity": "LOW", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-74", "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-08-19T11:50:10.843Z"}, "references": [{"tags": ["vendor-advisory", "related"], "url": "https://github.com/rrrene/html_sanitize_ex/security/advisories/GHSA-87v2-pfhj-r5x7"}, {"tags": ["related"], "url": "https://cna.erlef.org/cves/CVE-2026-68747.html"}, {"tags": ["related"], "url": "https://osv.dev/vulnerability/EEF-CVE-2026-68747"}, {"tags": ["patch"], "url": "https://github.com/rrrene/html_sanitize_ex/commit/0b9f9ad63a7529d4f2c3c1134c371adc3e654308"}, {"tags": ["patch"], "url": "https://github.com/rrrene/html_sanitize_ex/commit/c311a499db0b0baef06493fb3cfeb730c0f18f28"}], "source": {"discovery": "EXTERNAL"}, "title": "CSS sanitizer allowlist bypass in html_sanitize_ex via non-declaration input", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Sanitize with <code>basic_html/1</code>, <code>markdown_html/1</code> or <code>strip_tags/1</code>, none of which allow <code>&lt;style&gt;</code> elements, or define a custom scrubber that omits it.</p>\n<p>A Content-Security-Policy <code>style-src</code> directive that permits no external stylesheet origins stops an injected <code>@import</code> from loading, though injected inline rules still apply.</p>"}, {"base64": false, "type": "text/markdown", "value": "Sanitize with `basic_html/1`, `markdown_html/1` or `strip_tags/1`, none of which allow `<style>` elements, or define a custom scrubber that omits it.\n\nA Content-Security-Policy `style-src` directive that permits no external stylesheet origins stops an injected `@import` from loading, though injected inline rules still apply."}], "value": "Sanitize with basic_html/1, markdown_html/1 or strip_tags/1, none of which allow <style> elements, or define a custom scrubber that omits it.\n\nA Content-Security-Policy style-src directive that permits no external stylesheet origins stops an injected @import from loading, though injected inline rules still apply."}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-06T15:43:31.189847Z", "id": "CVE-2026-68747", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-06T15:43:37.237Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-68747", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-06T15:43:31.189847Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-06T15:43:34.159Z"}}], "cna": {"title": "CSS sanitizer allowlist bypass in html_sanitize_ex via non-declaration input", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Peter Ullrich"}, {"lang": "en", "type": "analyst", "value": "Jonatan M\u00e4nnchen / EEF"}, {"lang": "en", "type": "remediation developer", "value": "Ren\u00e9 F\u00f6hring"}], "impacts": [{"capecId": "CAPEC-148", "descriptions": [{"lang": "en", "value": "CAPEC-148 Content Spoofing"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 2.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "LOW", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*"], "repo": "https://github.com/rrrene/html_sanitize_ex", "vendor": "rrrene", "modules": ["'Elixir.HtmlSanitizeEx.Scrubber.CSS'", "'Elixir.HtmlSanitizeEx'"], "product": "html_sanitize_ex", "versions": [{"status": "affected", "version": "0.3.1", "lessThan": "1.4.5", "versionType": "semver"}, {"status": "affected", "version": "1.5.0-rc.0", "lessThan": "1.5.4", "versionType": "semver"}], "packageURL": "pkg:hex/html_sanitize_ex", "packageName": "html_sanitize_ex", "programFiles": ["lib/html_sanitize_ex/scrubber/css.ex", "lib/html_sanitize_ex.ex"], "collectionURL": "https://repo.hex.pm", "defaultStatus": "unaffected", "programRoutines": [{"name": "'Elixir.HtmlSanitizeEx.Scrubber.CSS':scrub/1"}, {"name": "'Elixir.HtmlSanitizeEx':html5/1"}]}, {"cpes": ["cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*"], "repo": "https://github.com/rrrene/html_sanitize_ex", "vendor": "rrrene", "modules": ["'Elixir.HtmlSanitizeEx.Scrubber.CSS'", "'Elixir.HtmlSanitizeEx'"], "product": "html_sanitize_ex", "versions": [{"status": "affected", "changes": [{"at": "0b9f9ad63a7529d4f2c3c1134c371adc3e654308", "status": "unaffected"}, {"at": "c311a499db0b0baef06493fb3cfeb730c0f18f28", "status": "unaffected"}], "version": "21f90012eb21aa36f4e3701b7547e12faf0f3c8b", "lessThan": "*", "versionType": "git"}], "packageURL": "pkg:github/rrrene/html_sanitize_ex", "packageName": "rrrene/html_sanitize_ex", "programFiles": ["lib/html_sanitize_ex/scrubber/css.ex", "lib/html_sanitize_ex.ex"], "collectionURL": "https://github.com", "defaultStatus": "unaffected", "programRoutines": [{"name": "'Elixir.HtmlSanitizeEx.Scrubber.CSS':scrub/1"}, {"name": "'Elixir.HtmlSanitizeEx':html5/1"}]}], "references": [{"url": "https://github.com/rrrene/html_sanitize_ex/security/advisories/GHSA-87v2-pfhj-r5x7", "tags": ["vendor-advisory", "related"]}, {"url": "https://cna.erlef.org/cves/CVE-2026-68747.html", "tags": ["related"]}, {"url": "https://osv.dev/vulnerability/EEF-CVE-2026-68747", "tags": ["related"]}, {"url": "https://github.com/rrrene/html_sanitize_ex/commit/0b9f9ad63a7529d4f2c3c1134c371adc3e654308", "tags": ["patch"]}, {"url": "https://github.com/rrrene/html_sanitize_ex/commit/c311a499db0b0baef06493fb3cfeb730c0f18f28", "tags": ["patch"]}], "workarounds": [{"lang": "en", "value": "Sanitize with basic_html/1, markdown_html/1 or strip_tags/1, none of which allow <style> elements, or define a custom scrubber that omits it.\n\nA Content-Security-Policy style-src directive that permits no external stylesheet origins stops an injected @import from loading, though injected inline rules still apply.", "supportingMedia": [{"type": "text/html", "value": "<p>Sanitize with <code>basic_html/1</code>, <code>markdown_html/1</code> or <code>strip_tags/1</code>, none of which allow <code>&lt;style&gt;</code> elements, or define a custom scrubber that omits it.</p>\n<p>A Content-Security-Policy <code>style-src</code> directive that permits no external stylesheet origins stops an injected <code>@import</code> from loading, though injected inline rules still apply.</p>", "base64": false}, {"type": "text/markdown", "value": "Sanitize with `basic_html/1`, `markdown_html/1` or `strip_tags/1`, none of which allow `<style>` elements, or define a custom scrubber that omits it.\n\nA Content-Security-Policy `style-src` directive that permits no external stylesheet origins stops an injected `@import` from loading, though injected inline rules still apply.", "base64": false}]}], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the CSS scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other users. HtmlSanitizeEx.Scrubber.CSS.scrub/1 applies its property and value allowlist through a Regex.replace over substrings matching a property: value declaration pattern, so input that does not match that pattern is never inspected and is copied to the output unchanged. @import url(//attacker.example/style.css); survives, while the same URL inside a background: url(...) declaration is removed.\n\nElement boundaries are resolved before the scrubber runs, so injected content does not escape the <style> element and no script executes.\n\nThis issue affects html_sanitize_ex: from 0.3.1 before 1.4.5 and from 1.5.0-rc.0 before 1.5.4.", "supportingMedia": [{"type": "text/html", "value": "<p>Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the CSS scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other users. <code>HtmlSanitizeEx.Scrubber.CSS.scrub/1</code> applies its property and value allowlist through a <code>Regex.replace</code> over substrings matching a <code>property: value</code> declaration pattern, so input that does not match that pattern is never inspected and is copied to the output unchanged. <code>@import url(//attacker.example/style.css);</code> survives, while the same URL inside a <code>background: url(...)</code> declaration is removed.</p>\n<p>Element boundaries are resolved before the scrubber runs, so injected content does not escape the <code>&lt;style&gt;</code> element and no script executes.</p>\n<p>This issue affects html_sanitize_ex: from 0.3.1 before 1.4.5 and from 1.5.0-rc.0 before 1.5.4.</p>", "base64": false}, {"type": "text/markdown", "value": "Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the CSS scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other users. `HtmlSanitizeEx.Scrubber.CSS.scrub/1` applies its property and value allowlist through a `Regex.replace` over substrings matching a `property: value` declaration pattern, so input that does not match that pattern is never inspected and is copied to the output unchanged. `@import url(//attacker.example/style.css);` survives, while the same URL inside a `background: url(...)` declaration is removed.\n\nElement boundaries are resolved before the scrubber runs, so injected content does not escape the `<style>` element and no script executes.\n\nThis issue affects html_sanitize_ex: from 0.3.1 before 1.4.5 and from 1.5.0-rc.0 before 1.5.4.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-74", "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"}]}], "configurations": [{"lang": "en", "value": "Only HtmlSanitizeEx.html5/1, and custom scrubbers declared with use HtmlSanitizeEx, extend: :html5, permit <style> elements, and the sanitized output must be rendered to other users. Applications calling HtmlSanitizeEx.Scrubber.CSS.scrub/1 directly are also affected.", "supportingMedia": [{"type": "text/html", "value": "<p>Only <code>HtmlSanitizeEx.html5/1</code>, and custom scrubbers declared with <code>use HtmlSanitizeEx, extend: :html5</code>, permit <code>&lt;style&gt;</code> elements, and the sanitized output must be rendered to other users. Applications calling <code>HtmlSanitizeEx.Scrubber.CSS.scrub/1</code> directly are also affected.</p>", "base64": false}, {"type": "text/markdown", "value": "Only `HtmlSanitizeEx.html5/1`, and custom scrubbers declared with `use HtmlSanitizeEx, extend: :html5`, permit `<style>` elements, and the sanitized output must be rendered to other users. Applications calling `HtmlSanitizeEx.Scrubber.CSS.scrub/1` directly are also affected.", "base64": false}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "1.4.5", "versionStartIncluding": "0.3.1"}, {"criteria": "cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "1.5.4", "versionStartIncluding": "1.5.0-rc.0"}], "operator": "OR"}], "operator": "AND"}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-08-19T11:50:10.843Z"}}}, "cveMetadata": {"cveId": "CVE-2026-68747", "state": "PUBLISHED", "dateUpdated": "2026-08-19T11:50:10.843Z", "dateReserved": "2026-07-31T13:23:00.355Z", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "datePublished": "2026-08-06T14:50:03.143Z", "assignerShortName": "EEF"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.HtmlSanitizeEx.Scrubber.CSS'", "'Elixir.HtmlSanitizeEx'"], "packageName": "html_sanitize_ex", "packageURL": "pkg:hex/html_sanitize_ex", "product": "html_sanitize_ex", "programFiles": ["lib/html_sanitize_ex/scrubber/css.ex", "lib/html_sanitize_ex.ex"], "programRoutines": [{"name": "'Elixir.HtmlSanitizeEx.Scrubber.CSS':scrub/1"}, {"name": "'Elixir.HtmlSanitizeEx':html5/1"}], "repo": "https://github.com/rrrene/html_sanitize_ex", "vendor": "rrrene", "versions": [{"lessThan": "1.4.5", "status": "affected", "version": "0.3.1", "versionType": "semver"}, {"lessThan": "1.5.4", "status": "affected", "version": "1.5.0-rc.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:rrrene:html_sanitize_ex:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.HtmlSanitizeEx.Scrubber.CSS'", "'Elixir.HtmlSanitizeEx'"], "packageName": "rrrene/html_sanitize_ex", "packageURL": "pkg:github/rrrene/html_sanitize_ex", "product": "html_sanitize_ex", "programFiles": ["lib/html_sanitize_ex/scrubber/css.ex", "lib/html_sanitize_ex.ex"], "programRoutines": [{"name": "'Elixir.HtmlSanitizeEx.Scrubber.CSS':scrub/1"}, {"name": "'Elixir.HtmlSanitizeEx':html5/1"}], "repo": "https://github.com/rrrene/html_sanitize_ex", "vendor": "rrrene", "versions": [{"changes": [{"at": "0b9f9ad63a7529d4f2c3c1134c371adc3e654308", "status": "unaffected"}, {"at": "c311a499db0b0baef06493fb3cfeb730c0f18f28", "status": "unaffected"}], "lessThan": "*", "status": "affected", "version": "21f90012eb21aa36f4e3701b7547e12faf0f3c8b", "versionType": "git"}]}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:rrrene:htmlsanitizeex:*:*:*:*:*:*:*:*", "matchCriteriaId": "82FB1AEC-A659-49D9-9FF1-E7D7F1F3D998", "versionEndExcluding": "1.5.4", "versionStartIncluding": "0.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the CSS scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other users. HtmlSanitizeEx.Scrubber.CSS.scrub/1 applies its property and value allowlist through a Regex.replace over substrings matching a property: value declaration pattern, so input that does not match that pattern is never inspected and is copied to the output unchanged. @import url(//attacker.example/style.css); survives, while the same URL inside a background: url(...) declaration is removed.\n\nElement boundaries are resolved before the scrubber runs, so injected content does not escape the <style> element and no script executes.\n\nThis issue affects html_sanitize_ex: from 0.3.1 before 1.4.5 and from 1.5.0-rc.0 before 1.5.4."}, {"lang": "es", "value": "vulnerabilidad de Neutralizaci\u00f3n Incorrecta de Elementos Especiales en la Salida Utilizada por un Componente Descendente (\u2019Inyecci\u00f3n\u2019) en el depurador CSS de rrrene html_sanitize_ex permite a un atacante remoto no autenticado inyectar reglas-arroba CSS, incluyendo una importaci\u00f3n de una hoja de estilo remota, en una p\u00e1gina servida a otros usuarios. HtmlSanitizeEx.Scrubber.CSS.scrub/1 aplica su lista blanca de propiedades y valores a trav\u00e9s de un Regex.replace sobre subcadenas que coinciden con un patr\u00f3n de declaraci\u00f3n propiedad: valor, por lo que la entrada que no coincide con ese patr\u00f3n nunca es inspeccionada y se copia a la salida sin cambios. @import url(//atacante.example/style.css); sobrevive, mientras que la misma URL dentro de una declaraci\u00f3n background: url(...) es eliminada.\n\nLos l\u00edmites de los elementos se resuelven antes de que se ejecute el depurador, por lo que el contenido inyectado no escapa del elemento [style] y ning\u00fan script se ejecuta.\n\nEste problema afecta a html_sanitize_ex: desde 0.3.1 antes de 1.5.4."}], "id": "CVE-2026-68747", "lastModified": "2026-10-24T16:10:00.153", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-68747", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-06T15:43:31.189847Z", "version": "2.0.3"}}]}, "published": "2026-08-06T16:16:51.533", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "tags": ["Patch", "Third Party Advisory"], "url": "https://cna.erlef.org/cves/CVE-2026-68747.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "tags": ["Patch"], "url": "https://github.com/rrrene/html_sanitize_ex/commit/0b9f9ad63a7529d4f2c3c1134c371adc3e654308"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/rrrene/html_sanitize_ex/commit/c311a499db0b0baef06493fb3cfeb730c0f18f28"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "tags": ["Broken Link"], "url": "https://github.com/rrrene/html_sanitize_ex/security/advisories/GHSA-87v2-pfhj-r5x7"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "tags": ["Patch", "Third Party Advisory"], "url": "https://osv.dev/vulnerability/EEF-CVE-2026-68747"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.3.1,1.5.4)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "html_sanitize_ex", "source": "cna", "vendor": "rrrene"}, "product": "html_sanitize_ex", "vendor": "rrrene"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[21f90012eb21aa36f4e3701b7547e12faf0f3c8b,0b9f9ad63a7529d4f2c3c1134c371adc3e654308)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "html_sanitize_ex", "source": "cna", "vendor": "rrrene"}, "product": "html_sanitize_ex", "vendor": "rrrene"}], "created": "2026-08-06T16:45:07.283370+00:00", "updated": "2026-08-22T11:15:04.610008+00:00", "vendors": ["rrrene", "rrrene$PRODUCT$html_sanitize_ex"]}