{"id":"CVE-2025-34437","title":"AVideo versions prior to 20.1 permit any authenticated user to upload comment images to videos owned by other users","summary":"AVideo versions prior to 20.1 permit any authenticated user to upload comment images to videos owned by other users. The endpoint validates authentication but omits ownership checks, allowing attackers to perform unauthorized uploads to …","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-639"],"vendor":"wwbn","product":"avideo","affected":["avideo < 20.0"],"patched":["avideo 20.0"],"published":"2025-12-17","updated":"2026-09-30","sourceUpdated":"2026-09-30T23:10:00.237","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-34437","references":[{"url":"https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/","label":"disclosure@vulncheck.com"},{"url":"https://github.com/WWBN/AVideo/commit/4a53ab2056","label":"disclosure@vulncheck.com"},{"url":"https://github.com/WWBN/AVideo/commit/d411f91805","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/avideo-idor-arbitrary-comment-image-upload","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00395,"epssPercentile":0.3121,"ingestedAt":"2026-09-30T23:29:32.497Z","slug":"CVE-2025-34437","body":"## Overview\n\nAVideo versions prior to 20.1 permit any authenticated user to upload comment images to videos owned by other users. The endpoint validates authentication but omits ownership checks, allowing attackers to perform unauthorized uploads to arbitrary video objects.\n\n## Affected\n\n- `avideo < 20.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `avideo 20.0`","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}