{"id":"CVE-2026-41063","state":"PUBLISHED","title":"WWBN AVideo has incomplete fix for CVE-2026-33500 (XSS)","description":"WWBN AVideo is an open source video platform. In versions 29.0 and below, an incomplete XSS fix in AVideo's `ParsedownSafeWithLinks` class overrides `inlineMarkup` for raw HTML but does not override `inlineLink()` or `inlineUrlTag()`, allowing `javascript:` URLs in markdown link syntax to bypass sanitization. Commit cae8f0dadbdd962c89b91d0095c76edb8aadcacf contains an updated fix.","publishedAt":"2026-04-21T22:59:52.770Z","updatedAt":"2026-04-22T18:35:53.306Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["WWBN AVideo"],"affected":[{"vendor":"WWBN","product":"AVideo","versions":[{"version":"<= 29.0","status":"affected"}]}],"references":["https://github.com/WWBN/AVideo/security/advisories/GHSA-m7r8-6q9j-m2hc","https://github.com/WWBN/AVideo/security/advisories/GHSA-72h5-39r7-r26j","https://github.com/WWBN/AVideo/commit/3ae02fa240939dbefc5949d64f05790fd25d728d","https://github.com/WWBN/AVideo/commit/cae8f0dadbdd962c89b91d0095c76edb8aadcacf"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41063.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41063","state":"PUBLISHED","datePublished":"2026-04-21T22:59:52.770Z","dateUpdated":"2026-04-22T18:35:53.306Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-16T16:43:03.173Z"},"containers":{"cna":{"title":"WWBN AVideo has incomplete fix for CVE-2026-33500 (XSS)","descriptions":[{"lang":"en","value":"WWBN AVideo is an open source video platform. In versions 29.0 and below, an incomplete XSS fix in AVideo's `ParsedownSafeWithLinks` class overrides `inlineMarkup` for raw HTML but does not override `inlineLink()` or `inlineUrlTag()`, allowing `javascript:` URLs in markdown link syntax to bypass sanitization. Commit cae8f0dadbdd962c89b91d0095c76edb8aadcacf contains an updated fix."}],"affected":[{"vendor":"WWBN","product":"AVideo","versions":[{"version":"<= 29.0","status":"affected"}]}],"references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-m7r8-6q9j-m2hc","name":"https://github.com/WWBN/AVideo/security/advisories/GHSA-m7r8-6q9j-m2hc","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-72h5-39r7-r26j","name":"https://github.com/WWBN/AVideo/security/advisories/GHSA-72h5-39r7-r26j","tags":["x_refsource_MISC"]},{"url":"https://github.com/WWBN/AVideo/commit/3ae02fa240939dbefc5949d64f05790fd25d728d","name":"https://github.com/WWBN/AVideo/commit/3ae02fa240939dbefc5949d64f05790fd25d728d","tags":["x_refsource_MISC"]},{"url":"https://github.com/WWBN/AVideo/commit/cae8f0dadbdd962c89b91d0095c76edb8aadcacf","name":"https://github.com/WWBN/AVideo/commit/cae8f0dadbdd962c89b91d0095c76edb8aadcacf","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-21T23:07:13.350Z"},"source":{"advisory":"GHSA-m7r8-6q9j-m2hc","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-m7r8-6q9j-m2hc","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-22T18:25:22.783402Z","id":"CVE-2026-41063","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-22T18:35:53.306Z"}}]}}}