CVE-2026-5090

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5090", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-03-28T19:35:11.737Z", "datePublished": "2026-05-19T21:30:03.552Z", "dateUpdated": "2026-09-19T11:46:35.655Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["Template::Plugin::HTML"], "packageName": "Template-Toolkit", "packageURL": "pkg:cpan/Template-Toolkit", "programFiles": ["lib/Template/Plugin/HTML.pm"], "programRoutines": [{"name": "Template::Plugin::HTML::html_filter"}], "repo": "https://github.com/abw/Template2", "versions": [{"lessThan": "3.103", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Template::Plugin::HTML versions before 3.103 for Perl allows HTML and JavaScript to be injected.\n\nThe html_filter function did not escape single quotes. HTML attributes inside of single quotes could be have code injected. For example, the variable \"var\" in\n\n <a id='ref' title='[% var | html %]'>\n\nwould not be properly escaped. An attacker could insert some limited HTML and JavaScript, for example,\n\n var = \" ' onclick='while (true) { alert(1) }'\"\n\nNote that arbitrary HTML and JavaScript would be difficult to inject, because angle brackets, ampersands and double-quotes would still be escaped."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-09-19T11:46:35.655Z"}, "references": [{"tags": ["issue-tracking"], "url": "https://github.com/abw/Template2/issues/327"}, {"tags": ["patch"], "url": "https://github.com/cpan-authors/Template2/commit/ca539f49f6ffd1c2b7d9ef4f48f6b88292418734.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/TODDR/Template-Toolkit-3.103/changes"}], "solutions": [{"lang": "en", "value": "Upgrade to version 3.103."}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2024-12-01T00:00:00.000Z", "value": "Issue reported in GitHub."}, {"lang": "en", "time": "2026-02-21T00:00:00.000Z", "value": "Pull request submitted."}, {"lang": "en", "time": "2026-03-22T00:00:00.000Z", "value": "Pull request merged."}, {"lang": "en", "time": "2026-03-22T00:00:00.000Z", "value": "Issue reported to CPANSec."}, {"lang": "en", "time": "2026-03-28T00:00:00.000Z", "value": "CVE assigned."}, {"lang": "en", "time": "2026-05-19T00:00:00.000Z", "value": "CVE published."}, {"lang": "en", "time": "2026-05-21T00:00:00.000Z", "value": "Template-Toolkit version 3.103 released."}], "title": "Template::Plugin::HTML versions before 3.103 for Perl allows HTML and JavaScript to be injected", "workarounds": [{"lang": "en", "value": "Attribute values in templates that contain escaped HTML should use double quotes instead of single quotes."}], "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/05/19/40"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-05-19T23:25:21.832Z"}}, {"metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-05-20T13:45:07.748170Z", "id": "CVE-2026-5090", "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": "2026-05-20T13:45:31.562Z"}}]}}

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{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["Template::Plugin::HTML"], "packageName": "Template-Toolkit", "packageURL": "pkg:cpan/Template-Toolkit", "programFiles": ["lib/Template/Plugin/HTML.pm"], "programRoutines": [{"name": "Template::Plugin::HTML::html_filter"}], "repo": "https://github.com/abw/Template2", "versions": [{"lessThan": "3.103", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Template::Plugin::HTML versions before 3.103 for Perl allows HTML and JavaScript to be injected.\n\nThe html_filter function did not escape single quotes. HTML attributes inside of single quotes could be have code injected. For example, the variable \"var\" in\n\n <a id='ref' title='[% var | html %]'>\n\nwould not be properly escaped. An attacker could insert some limited HTML and JavaScript, for example,\n\n var = \" ' onclick='while (true) { alert(1) }'\"\n\nNote that arbitrary HTML and JavaScript would be difficult to inject, because angle brackets, ampersands and double-quotes would still be escaped."}, {"lang": "es", "value": "Las versiones de Template::Plugin::HTML hasta la 3.102 para Perl permiten la inyecci\u00f3n de HTML y JavaScript.\n\nLa funci\u00f3n html_filter no escapaba las comillas simples. Los atributos HTML dentro de comillas simples podr\u00edan ser objeto de inyecci\u00f3n de c\u00f3digo. Por ejemplo, la variable 'var' en\n\n <a id='ref' title='[% var | html %]'>\n\nno se escapar\u00eda correctamente. Un atacante podr\u00eda insertar algo de HTML y JavaScript limitado, por ejemplo,\n\n var = \" ' onclick='while (true) { alert(1) }'\"\n\nTenga en cuenta que ser\u00eda dif\u00edcil inyectar HTML y JavaScript arbitrarios, porque los corchetes angulares, los ampersands y las comillas dobles seguir\u00edan siendo escapados."}], "id": "CVE-2026-5090", "lastModified": "2026-09-19T12:16:39.640", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5090", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-20T13:45:07.748170Z", "version": "2.0.3"}}]}, "published": "2026-05-19T22:16:39.003", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/abw/Template2/issues/327"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/cpan-authors/Template2/commit/ca539f49f6ffd1c2b7d9ef4f48f6b88292418734.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/TODDR/Template-Toolkit-3.103/changes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/05/19/40"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.102]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Template::Plugin::HTML", "source": "cna", "vendor": "TODDR"}, "product": "template::plugin::html", "vendor": "toddr"}], "created": "2026-05-19T23:30:05.952349+00:00", "updated": "2026-09-21T08:00:08.627781+00:00", "vendors": ["toddr", "toddr$PRODUCT$template::plugin::html"]}