CVE-2021-26539

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the \"allowedIframeHostnames\" option."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-03-25T22:07:49.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/apostrophecms/sanitize-html/pull/458"}, {"tags": ["x_refsource_MISC"], "url": "https://advisory.checkmarx.net/advisory/CX-2021-4308"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-26539", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the \"allowedIframeHostnames\" option."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22", "refsource": "MISC", "url": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22"}, {"name": "https://github.com/apostrophecms/sanitize-html/pull/458", "refsource": "MISC", "url": "https://github.com/apostrophecms/sanitize-html/pull/458"}, {"name": "https://advisory.checkmarx.net/advisory/CX-2021-4308", "refsource": "MISC", "url": "https://advisory.checkmarx.net/advisory/CX-2021-4308"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:26:25.401Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/apostrophecms/sanitize-html/pull/458"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://advisory.checkmarx.net/advisory/CX-2021-4308"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-26539", "datePublished": "2021-02-08T16:16:06.000Z", "dateReserved": "2021-02-01T00:00:00.000Z", "dateUpdated": "2024-08-03T20:26:25.401Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apostrophecms:sanitize-html:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "6A1A1822-184A-4E07-AB5C-C15089BD3EED", "versionEndExcluding": "2.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the \"allowedIframeHostnames\" option."}, {"lang": "es", "value": "Apostrophe Technologies sanitize-html antes de 2.3.1, no maneja apropiadamente los nombres de dominio internacionalizados (IDN), lo que podr\u00eda permitir a un atacante omitir la validaci\u00f3n de la lista blanca de nombres de host establecida por la opci\u00f3n \"allowedIframeHostnames\""}], "id": "CVE-2021-26539", "lastModified": "2026-06-17T03:43:27.283", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-08T17:15:13.673", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://advisory.checkmarx.net/advisory/CX-2021-4308"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/apostrophecms/sanitize-html/pull/458"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://advisory.checkmarx.net/advisory/CX-2021-4308"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/apostrophecms/sanitize-html/pull/458"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2020:5633", "cpe": "cpe:/a:redhat:openshift:4.7::el8", "package": "openshift4/ose-console:v4.7.0-202102130115.p0", "product_name": "Red Hat OpenShift Container Platform 4.7", "release_date": "2021-02-24T00:00:00Z"}, {"advisory": "RHSA-2021:2438", "cpe": "cpe:/a:redhat:openshift:4.8::el8", "package": "openshift4/ose-thanos-rhel8:v4.8.0-202106291913.p0.git.c358e96.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.8", "release_date": "2021-07-27T00:00:00Z"}, {"advisory": "RHSA-2021:3759", "cpe": "cpe:/a:redhat:openshift:4.9::el8", "package": "openshift4/ose-prometheus:v4.9.0-202109302016.p0.git.3197fa7.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.9", "release_date": "2021-10-18T00:00:00Z"}], "bugzilla": {"description": "sanitize-html: improper handling of internationalized domain name (IDN) can lead to bypass hostname whitelist validation", "id": "1932362", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932362"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "status": "verified"}, "cwe": "CWE-20", "details": ["Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the \"allowedIframeHostnames\" option."], "name": "CVE-2021-26539", "package_state": [{"cpe": "cpe:/a:redhat:service_mesh:2.0", "fix_state": "Will not fix", "package_name": "servicemesh-prometheus", "product_name": "OpenShift Service Mesh 2.0"}], "public_date": "2021-01-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-26539\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-26539"], "threat_severity": "Moderate"}

{}