{"id":"CVE-2026-28502","aliases":["EUVD-2026-9971","GHSA-v8jw-8w5p-23g3"],"status":"published","title":"WWBN AVideo: Authenticated Remote Code Execution via Unsafe Plugin ZIP Extraction","description":"WWBN AVideo is an open source video platform. Prior to version 24.0, an authenticated Remote Code Execution (RCE) vulnerability was identified in AVideo related to the plugin upload/import functionality. The issue allowed an authenticated administrator to upload a specially crafted ZIP archive containing executable server-side files. Due to insufficient validation of extracted file contents, the archive was extracted directly into a web-accessible plugin directory, allowing arbitrary PHP code execution. This issue has been patched in version 24.0.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00766,"percentile":0.55919,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434"],"published":"2026-03-02T20:56:52Z","modified":"2026-10-28T02:30:45Z","fixes":[{"ecosystem":"Packagist","package":"wwbn/avideo","fixed_in":["21.0"],"sources":["ghsa"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"wwbn/avideo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"wwbn/avideo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.4","10.8","11","11.1","11.1.1","11.5","11.6","12.4","14.3","14.3.1","14.4","18.0","21.0","22.0","24.0","25.0","26.0","29.0"]}],"products":[{"vendor":"wwbn","product":"avideo"}],"references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-v8jw-8w5p-23g3","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/WWBN/AVideo/commit/b739aeeb9ce34aed9961d2c155d597810f8229db","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/WWBN/AVideo/releases/tag/24.0","tags":["x_refsource_MISC","Product","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28502","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-v8jw-8w5p-23g3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28502.json","tags":["advisory"]},{"url":"https://github.com/WWBN/AVideo","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-28502","title":"WWBN AVideo: Authenticated Remote Code Execution via Unsafe Plugin ZIP Extraction","description":"WWBN AVideo is an open source video platform. Prior to version 24.0, an authenticated Remote Code Execution (RCE) vulnerability was identified in AVideo related to the plugin upload/import functionality. The issue allowed an authenticated administrator to upload a specially crafted ZIP archive containing executable server-side files. Due to insufficient validation of extracted file contents, the archive was extracted directly into a web-accessible plugin directory, allowing arbitrary PHP code execution. This issue has been patched in version 24.0.","status":"published","published":"2026-03-06T03:04:57.497Z","modified":"2026-03-06T16:10:00.643Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:20:02.290587Z"}],"euvd":[{"id":"EUVD-2026-9971","description":"WWBN AVideo is an open source video platform. Prior to version 24.0, an authenticated Remote Code Execution (RCE) vulnerability was identified in AVideo related to the plugin upload/import functionality. The issue allowed an authenticated administrator to upload a specially crafted ZIP archive containing executable server-side files. Due to insufficient validation of extracted file contents, the archive was extracted directly into a web-accessible plugin directory, allowing arbitrary PHP code execution. This issue has been patched in version 24.0.","status":"published","published":"2026-03-06T03:04:57Z","modified":"2026-03-06T16:10:00Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:48:07.686491Z"}],"ghsa":[{"id":"GHSA-v8jw-8w5p-23g3","title":"AVideo has Authenticated Remote Code Execution via Unsafe Plugin ZIP Extraction","description":"## Summary\nAn authenticated Remote Code Execution (RCE) vulnerability was identified in AVideo related to the plugin upload/import functionality.\n\nThe issue allowed an authenticated administrator to upload a specially crafted ZIP archive containing executable server-side files. Due to insufficient validation of extracted file contents, the archive was extracted directly into a web-accessible plugin directory, allowing arbitrary PHP code execution.\n\n## Vulnerability Type\n- Remote Code Execution (RCE)\n- CWE-434: Unrestricted Upload of File with Dangerous Type\n\n## Affected Versions\n- All versions up to and including 22.x.\n\n## Fixed Version\n- A fix is expected to be released in version 23.\n\n## Root Cause\nThe system validated only the ZIP extension of uploaded plugin packages but did not enforce a strict allowlist of file types within the archive. Extracted files were placed directly in a web-accessible directory without preventing execution of server-side scripts.\n\n## Impact\nAn authenticated administrator could execute arbitrary code on the server, resulting in full system compromise, including:\n- Confidentiality loss\n- Integrity loss\n- Availability impact\n\n## Remediation\nUpgrade immediately to **AVideo version 23 or later**.\n\nVersion 23 introduces improved validation and secure handling of plugin extraction.\n\n## Workarounds\nIf upgrade is not immediately possible:\n- Disable plugin upload/import functionality.\n- Configure the web server to prevent execution of PHP files inside plugin upload directories.","status":"published","published":"2026-03-02T20:56:52Z","modified":"2026-03-06T14:24:03Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:39:32.329372Z"}],"nvd":[{"id":"CVE-2026-28502","description":"WWBN AVideo is an open source video platform. Prior to version 24.0, an authenticated Remote Code Execution (RCE) vulnerability was identified in AVideo related to the plugin upload/import functionality. The issue allowed an authenticated administrator to upload a specially crafted ZIP archive containing executable server-side files. Due to insufficient validation of extracted file contents, the archive was extracted directly into a web-accessible plugin directory, allowing arbitrary PHP code execution. This issue has been patched in version 24.0.","status":"published","published":"2026-03-06T04:16:08.37Z","modified":"2026-06-17T10:28:45.393Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:12:08.279852Z"}],"osv":[{"id":"CVE-2026-28502","title":"WWBN AVideo: Authenticated Remote Code Execution via Unsafe Plugin ZIP Extraction","description":"WWBN AVideo is an open source video platform. Prior to version 24.0, an authenticated Remote Code Execution (RCE) vulnerability was identified in AVideo related to the plugin upload/import functionality. The issue allowed an authenticated administrator to upload a specially crafted ZIP archive containing executable server-side files. Due to insufficient validation of extracted file contents, the archive was extracted directly into a web-accessible plugin directory, allowing arbitrary PHP code execution. This issue has been patched in version 24.0.","status":"published","published":"2026-03-06T03:04:57.497Z","modified":"2026-10-28T02:30:45.264042344Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:45:00.530889Z"},{"id":"GHSA-v8jw-8w5p-23g3","title":"AVideo has Authenticated Remote Code Execution via Unsafe Plugin ZIP Extraction","description":"## Summary\nAn authenticated Remote Code Execution (RCE) vulnerability was identified in AVideo related to the plugin upload/import functionality.\n\nThe issue allowed an authenticated administrator to upload a specially crafted ZIP archive containing executable server-side files. Due to insufficient validation of extracted file contents, the archive was extracted directly into a web-accessible plugin directory, allowing arbitrary PHP code execution.\n\n## Vulnerability Type\n- Remote Code Execution (RCE)\n- CWE-434: Unrestricted Upload of File with Dangerous Type\n\n## Affected Versions\n- All versions up to and including 22.x.\n\n## Fixed Version\n- A fix is expected to be released in version 23.\n\n## Root Cause\nThe system validated only the ZIP extension of uploaded plugin packages but did not enforce a strict allowlist of file types within the archive. Extracted files were placed directly in a web-accessible directory without preventing execution of server-side scripts.\n\n## Impact\nAn authenticated administrator could execute arbitrary code on the server, resulting in full system compromise, including:\n- Confidentiality loss\n- Integrity loss\n- Availability impact\n\n## Remediation\nUpgrade immediately to **AVideo version 23 or later**.\n\nVersion 23 introduces improved validation and secure handling of plugin extraction.\n\n## Workarounds\nIf upgrade is not immediately possible:\n- Disable plugin upload/import functionality.\n- Configure the web server to prevent execution of PHP files inside plugin upload directories.","status":"published","published":"2026-03-02T20:56:52Z","modified":"2026-09-10T03:50:41.230305158Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:46:56.981655Z"}]}}