{"id":"CVE-2026-126806","aliases":["EUVD-2026-124021","GHSA-2qq6-qfcq-jmr9","GHSA-vvhx-2623-xf2x"],"status":"published","title":"WWBN AVideo 14.3 through 29.7.1 Stored XSS via Video Source Tag","description":"WWBN AVideo 14.3 through 29.7.1 contains a stored cross-site scripting vulnerability that allows uploaders to inject scripts via the videoDownloadedLink value stored unescaped through objects/aVideoEncoder.json.php. Attackers can embed event-handler payloads in the URL host rendered as a Source tag in view/managerVideos_body.php, executing in administrator sessions to install plugin archives containing PHP.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0036,"percentile":0.30235,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-11-11T20:53:08Z","modified":"2026-11-12T10:45:28Z","products":[{"vendor":"wwbn","product":"avideo"}],"references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-2qq6-qfcq-jmr9","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/WWBN/AVideo/commit/da1da205608d57b1e695a7fad8288a2f5f9a0e0f","tags":["patch","fix"]},{"url":"https://github.com/WWBN/AVideo/blob/v29.7.1/objects/functionTags.php#L198-L221","tags":["technical-description","article"]},{"url":"https://github.com/WWBN/AVideo/blob/v29.7.1/view/managerVideos_body.php#L1997-L2011","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/wwbn-avideo-14.3-through-29.7.1-stored-xss-via-video-source-tag","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126806","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vvhx-2623-xf2x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126806.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-126806","title":"WWBN AVideo 14.3 through 29.7.1 Stored XSS via Video Source Tag","description":"WWBN AVideo 14.3 through 29.7.1 contains a stored cross-site scripting vulnerability that allows uploaders to inject scripts via the videoDownloadedLink value stored unescaped through objects/aVideoEncoder.json.php. Attackers can embed event-handler payloads in the URL host rendered as a Source tag in view/managerVideos_body.php, executing in administrator sessions to install plugin archives containing PHP.","status":"published","published":"2026-11-11T20:53:08.751Z","modified":"2026-11-11T20:53:08.751Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-11T21:33:02.552103Z"}],"euvd":[{"id":"EUVD-2026-124021","description":"WWBN AVideo 14.3 through 29.7.1 contains a stored cross-site scripting vulnerability that allows uploaders to inject scripts via the videoDownloadedLink value stored unescaped through objects/aVideoEncoder.json.php. Attackers can embed event-handler payloads in the URL host rendered as a Source tag in view/managerVideos_body.php, executing in administrator sessions to install plugin archives containing PHP.","status":"published","published":"2026-11-11T20:53:08Z","modified":"2026-11-11T20:53:08Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","level":"critical"}],"updated_at":"2026-11-11T23:30:57.284312Z"}],"ghsa":[{"id":"GHSA-vvhx-2623-xf2x","title":"WWBN AVideo 14.3 through 29.7.1 contains a stored cross-site scripting vulnerability that allows...","description":"WWBN AVideo 14.3 through 29.7.1 contains a stored cross-site scripting vulnerability that allows uploaders to inject scripts via the videoDownloadedLink value stored unescaped through objects/aVideoEncoder.json.php. Attackers can embed event-handler payloads in the URL host rendered as a Source tag in view/managerVideos_body.php, executing in administrator sessions to install plugin archives containing PHP.","status":"published","published":"2026-11-11T21:33:01Z","modified":"2026-11-11T21:33:09Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-11T21:36:29.153415Z"}],"nvd":[{"id":"CVE-2026-126806","description":"WWBN AVideo 14.3 through 29.7.1 contains a stored cross-site scripting vulnerability that allows uploaders to inject scripts via the videoDownloadedLink value stored unescaped through objects/aVideoEncoder.json.php. Attackers can embed event-handler payloads in the URL host rendered as a Source tag in view/managerVideos_body.php, executing in administrator sessions to install plugin archives containing PHP.","status":"published","published":"2026-11-11T21:16:44.583Z","modified":"2026-11-11T21:16:44.747Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-11T23:26:41.421267Z"}],"osv":[{"id":"CVE-2026-126806","title":"WWBN AVideo 14.3 through 29.7.1 Stored XSS via Video Source Tag","description":"WWBN AVideo 14.3 through 29.7.1 contains a stored cross-site scripting vulnerability that allows uploaders to inject scripts via the videoDownloadedLink value stored unescaped through objects/aVideoEncoder.json.php. Attackers can embed event-handler payloads in the URL host rendered as a Source tag in view/managerVideos_body.php, executing in administrator sessions to install plugin archives containing PHP.","status":"published","published":"2026-11-11T20:53:08.751Z","modified":"2026-11-13T02:47:25.592316871Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","level":"critical"}],"cwes":["CWE-79"],"updated_at":"2026-11-13T02:57:32.2543Z"}]}}