PHP
CVE-2026-40928
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Lifecycle Timeline
1DescriptionGitHub Advisory
WWBN AVideo is an open source video platform. In versions 29.0 and prior, multiple AVideo JSON endpoints under objects/ accept state-changing requests via $_REQUEST/$_GET and persist changes tied to the caller's session user, without any anti-CSRF token, origin check, or referer check. A malicious page visited by a logged-in victim can silently cast/flip the victim's like/dislike on any comment (objects/comments_like.json.php), post a comment authored by the victim on any video, with attacker-chosen text (objects/commentAddNew.json.php), and/or delete assets from any category (objects/categoryDeleteAssets.json.php) when the victim has category management rights. Each endpoint is reachable from a browser via a simple <img src="…"> tag or form submission, so exploitation only requires the victim to load an attacker-controlled HTML resource. Commit 7aaad601bd9cd7b993ba0ee1b1bea6c32ee7b77c contains a fix.
Analysis
WWBN AVideo is an open source video platform. In versions 29.0 and prior, multiple AVideo JSON endpoints under objects/ accept state-changing requests via $_REQUEST/$_GET and persist changes tied to the caller's session user, without any anti-CSRF token, origin check, or referer check. A malicious page visited by a logged-in victim can silently cast/flip the victim's like/dislike on any comment (objects/comments_like.json.php), post a comment authored by the victim on any video, with attacker-chosen text (objects/commentAddNew.json.php), and/or delete assets from any category (objects/categoryDeleteAssets.json.php) when the victim has category management rights. Each endpoint is reachable from a browser via a simple <img src="…"> tag or form submission, so exploitation only requires the victim to load an attacker-controlled HTML resource. Commit 7aaad601bd9cd7b993ba0ee1b1bea6c32ee7b77c contains a fix.
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External POC / Exploit Code
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