{"id":"CVE-2026-33043","state":"PUBLISHED","title":"AVideo affected by Session Hijacking via Unauthenticated Session ID Disclosure with Permissive CORS","description":"WWBN AVideo is an open source video platform. In versions 25.0 and below, /objects/phpsessionid.json.php exposes the current PHP session ID to any unauthenticated request. The allowOrigin() function reflects any Origin header back in Access-Control-Allow-Origin with Access-Control-Allow-Credentials: true, enabling cross-origin session theft and full account takeover. This issue has been fixed in version 26.0.","publishedAt":"2026-03-20T05:52:59.412Z","updatedAt":"2026-03-25T13:55:29.106Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["WWBN AVideo"],"affected":[{"vendor":"WWBN","product":"AVideo","versions":[{"version":"< 26.0","status":"affected"}]}],"references":["https://github.com/WWBN/AVideo/security/advisories/GHSA-qc3p-398r-p59j","https://github.com/WWBN/AVideo/commit/9f4f51e5df5e3343400f9d0068705f5482b6f930"],"weaknesses":["CWE-942"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33043.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33043","state":"PUBLISHED","datePublished":"2026-03-20T05:52:59.412Z","dateUpdated":"2026-03-25T13:55:29.106Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-17T18:10:50.211Z"},"containers":{"cna":{"title":"AVideo affected by Session Hijacking via Unauthenticated Session ID Disclosure with Permissive CORS","descriptions":[{"lang":"en","value":"WWBN AVideo is an open source video platform. In versions 25.0 and below, /objects/phpsessionid.json.php exposes the current PHP session ID to any unauthenticated request. The allowOrigin() function reflects any Origin header back in Access-Control-Allow-Origin with Access-Control-Allow-Credentials: true, enabling cross-origin session theft and full account takeover. This issue has been fixed in version 26.0."}],"affected":[{"vendor":"WWBN","product":"AVideo","versions":[{"version":"< 26.0","status":"affected"}]}],"references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-qc3p-398r-p59j","name":"https://github.com/WWBN/AVideo/security/advisories/GHSA-qc3p-398r-p59j","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/WWBN/AVideo/commit/9f4f51e5df5e3343400f9d0068705f5482b6f930","name":"https://github.com/WWBN/AVideo/commit/9f4f51e5df5e3343400f9d0068705f5482b6f930","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-942","lang":"en","description":"CWE-942: Permissive Cross-domain Policy with Untrusted Domains","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-20T05:52:59.412Z"},"source":{"advisory":"GHSA-qc3p-398r-p59j","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-25T13:54:38.514863Z","id":"CVE-2026-33043","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":"2026-03-25T13:55:29.106Z"}}]}}}