{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73490","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-12T19:00:33.735Z","datePublished":"2026-08-12T20:58:12.219Z","dateUpdated":"2026-08-13T13:01:57.912Z"},"containers":{"cna":{"title":"Loofah: SVG `href` attribute bypasses local-reference restriction","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/flavorjones/loofah/security/advisories/GHSA-9wjq-cp2p-hrgf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/flavorjones/loofah/security/advisories/GHSA-9wjq-cp2p-hrgf"},{"name":"https://github.com/flavorjones/loofah/pull/308","tags":["x_refsource_MISC"],"url":"https://github.com/flavorjones/loofah/pull/308"},{"name":"https://github.com/flavorjones/loofah/commit/20867b9be689521887364b74822c41ef830523c9","tags":["x_refsource_MISC"],"url":"https://github.com/flavorjones/loofah/commit/20867b9be689521887364b74822c41ef830523c9"},{"name":"https://github.com/flavorjones/loofah/releases/tag/v2.25.2","tags":["x_refsource_MISC"],"url":"https://github.com/flavorjones/loofah/releases/tag/v2.25.2"}],"affected":[{"vendor":"flavorjones","product":"loofah","versions":[{"version":"< 2.25.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-08-12T20:58:12.219Z"},"descriptions":[{"lang":"en","value":"Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Prior to 2.25.2, Loofah's HTML5 sanitizer applies its local-reference restriction only to the xlink:href attribute on SVG use and feImage elements, while browsers also accept the plain href attribute. A crafted sanitized SVG can therefore reference an arbitrary same-origin external document; use may render external SVG content containing scripts or other dangerous content, and feImage may load external images for tracking. Applications that sanitize user-supplied SVG with Loofah's default allowlist are affected. This issue is fixed in version 2.25.2."}],"source":{"advisory":"GHSA-9wjq-cp2p-hrgf","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-13T13:01:37.604672Z","id":"CVE-2026-73490","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":"2026-08-13T13:01:57.912Z"}}]}}