CVE-2026-45620 AVideo CVE-2026-43881 incomplete fix - `objects/mention.json.php:17` is an unauthenticated user enumeration

Medium 5.3 Published Updated

Unauthenticated attackers can enumerate user accounts via the mention search endpoint due to missing authorization checks.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-45620?

CVE-2026-45620 is a medium-severity vulnerability in Wwbn Avideo, published on 29 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WWBN AVideo is an open source video platform. In 29.0 and earlier, objects/mention.json.php has no User::loginCheck() or admin gate. It only has an entry guard: preg_match('/^@/', $_REQUEST['term']) and hard-coded rowCount=10. This enables unauthenticated user enumeration.

Weakness: CWE-285, CWE-204

Which versions are affected by CVE-2026-45620?

2 open source packages ship an affected version, including WWBN/AVideo. It affects 1 product.

PackageAffectedFixed in
WWBN/AVideo PackagistAll versions to 29.0None
WWBN/AVideo PackagistAll versions to 29.0None

Products include Wwbn Avideo.

How do I fix CVE-2026-45620?

No fix has been published for CVE-2026-45620 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-45620 being exploited?

There is no known exploitation of CVE-2026-45620 in the wild and no public exploit code.

All Wwbn Avideo vulnerabilities

Sources

Also known as GHSA-vpfx-pxqw-2w79.

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