{"id":"CVE-2026-33043","summary":"AVideo affected by Session Hijacking via Unauthenticated Session ID Disclosure with Permissive CORS","details":"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.","aliases":["GHSA-qc3p-398r-p59j"],"modified":"2026-08-12T03:51:11.564809268Z","published":"2026-03-20T05:52:59.412Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-942"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33043.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33043.json"},{"type":"ADVISORY","url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-qc3p-398r-p59j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33043"},{"type":"FIX","url":"https://github.com/WWBN/AVideo/commit/9f4f51e5df5e3343400f9d0068705f5482b6f930"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wwbn/avideo","events":[{"introduced":"0"},{"fixed":"aee1e11ee8d9343f87b7643e49cc32924b07979b"},{"fixed":"9f4f51e5df5e3343400f9d0068705f5482b6f930"}],"database_specific":{"cpe":"cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"26.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["25.0","24.0","22.0","21.0","18.0","14.3.1","14.3","12.4","11.6","11.5","11.1.1","11.1","11","10.8","8.9.1","8.9","8.7","8.6","8.5","8.1","7.8","7.7","7.6","7.4","7.3","7.2","4.0","3.4","2.7","2.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33043.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"}]}