AVideo: Missing CSRF Protection on State-Changing JSON Endpoints Enables Forced Comment Creation, Vote Manipulation, and Category Asset Deletion
Published Apr 21, 2026
5.4
MEDIUMCVSS 3.1
EPSS 0.15%
Description
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.
Affected products
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- Version <= 29.0StatusaffectedConstraints-
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (5)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24523 Advisory
- https://github.com/WWBN/AVideo/commit/7aaad601bd9cd7b993ba0ee1b1bea6c32ee7b77c x_refsource_MISCPatch
- https://github.com/WWBN/AVideo/security/advisories/GHSA-x2pw-9c38-cp2j exploitx_refsource_CONFIRMMitigationVendor Advisory
- https://github.com/advisories/GHSA-x2pw-9c38-cp2j Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-40928
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24523 | Advisory | |
| https://github.com/WWBN/AVideo/commit/7aaad601bd9cd7b993ba0ee1b1bea6c32ee7b77c | x_refsource_MISCPatch | |
| https://github.com/WWBN/AVideo/security/advisories/GHSA-x2pw-9c38-cp2j | exploitx_refsource_CONFIRMMitigationVendor Advisory | |
| https://github.com/advisories/GHSA-x2pw-9c38-cp2j | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2026-40928 |
Change history (0)
No recorded changes yet.