Vulnerability · Published Sep 3, 2026 · Assigned by VulnCheck

CVE-2026-85161AVideo removePoster.php Cross-Site Request Forgery File Deletion

Medium 4.3

In plain English

A medium-severity cross-site request forgery in AVideo from WWBN. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.1%top 96.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

AVideo through commit c91b5975d contains a cross-site request forgery vulnerability in removePoster.php that lacks forbidIfNotPost or forbidIfInvalidToken checks. Attackers can craft malicious image tags to delete authenticated victims' live poster and thumbnail files via GET requests.

Affected products (as reported)

Vendor	Product	Versions
WWBN	AVideo	0 – through c91b5975d

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

GitHub Security Advisory (GHSA-4h63-5723-hq25) vendor-advisory
VulnCheck Advisory: AVideo removePoster.php Cross-Site Request Forgery File Deletion third-party-advisory