CVE-2026-34247 — Missing Authorization in Avideo
Severity
5.4MEDIUMNVD
EPSS
0.0%
top 98.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 27
Latest updateMar 29
Description
WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `plugin/Live/uploadPoster.php` endpoint allows any authenticated user to overwrite the poster image for any scheduled live stream by supplying an arbitrary `live_schedule_id`. The endpoint only checks `User::isLogged()` but never verifies that the authenticated user owns the targeted schedule. After overwriting the poster, the endpoint broadcasts a `socketLiveOFFCallback` notification containing the victim's …
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.5
Affected Packages2 packages
Patches
🔴Vulnerability Details
2GHSA▶
AVideo: IDOR in uploadPoster.php Allows Any Authenticated User to Overwrite Scheduled Live Stream Posters and Trigger False Socket Notifications↗2026-03-29
OSV▶
AVideo: IDOR in uploadPoster.php Allows Any Authenticated User to Overwrite Scheduled Live Stream Posters and Trigger False Socket Notifications↗2026-03-29