CVE-2026-5090

{"id": "CVE-2026-5090", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5090", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-20T13:45:07.748170Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "affectedData": [{"repo": "https://github.com/abw/Template2", "vendor": "TODDR", "product": "Template::Plugin::HTML", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "3.102"}], "packageName": "Template-Toolkit", "programFiles": ["lib/Template/Plugin/HTML.pm"], "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "programRoutines": [{"name": "Template::Plugin::HTML::html_filter"}]}]}], "published": "2026-05-19T22:16:39.003", "references": [{"url": "https://github.com/abw/Template2/issues/327", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://github.com/abw/Template2/pull/337/changes/11c78a7a771d4af505efeb754a0b8775689c2eae", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "http://www.openwall.com/lists/oss-security/2026/05/19/40", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Template::Plugin::HTML versions through 3.102 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."}], "lastModified": "2026-07-24T09:10:00.153", "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}