{"id":"CVE-2026-33717","summary":"AVideo Vulnerable to Remote Code Execution via Persistent PHP Temp File in Encoder downloadURL with Resolution Validation Abort","details":"WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `downloadVideoFromDownloadURL()` function in `objects/aVideoEncoder.json.php` saves remote content to a web-accessible temporary directory using the original URL's filename and extension (including `.php`). By providing an invalid `resolution` parameter, an attacker triggers an early `die()` via `forbiddenPage()` before the temp file can be moved or cleaned up, leaving an executable PHP file persistently accessible under the web root at `videos/cache/tmpFile/`. Commit 6da79b43484099a0b660d1544a63c07b633ed3a2 contains a patch.","aliases":["GHSA-8wf4-c4x3-h952"],"modified":"2026-04-10T05:42:55.781899Z","published":"2026-03-23T18:48:24.934Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-434"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33717.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33717.json"},{"type":"FIX","url":"https://github.com/WWBN/AVideo/commit/6da79b43484099a0b660d1544a63c07b633ed3a2"},{"type":"ADVISORY","url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-8wf4-c4x3-h952"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33717"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wwbn/avideo","events":[{"introduced":"0"},{"last_affected":"aee1e11ee8d9343f87b7643e49cc32924b07979b"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"26.0"}]}}],"versions":["10.8","11","11.1","11.1.1","11.5","11.6","12.4","14.3","14.3.1","18.0","2.2","2.7","21.0","22.0","24.0","25.0","26.0","3.4","4.0","7.2","7.3","7.4","7.6","7.7","7.8","8.1","8.5","8.6","8.7","8.9","8.9.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33717.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}