Vulnerability · Published May 11, 2026 · Assigned by GitHub_M

CVE-2026-43881WWBN AVideo: Unauthenticated User Enumeration in `objects/users.json.php` via `isCompany` Parameter Flips `$ignoreAdmin = true` and Defeats Admin-Only Listing Guard

Medium 5.3

In plain English

A medium-severity missing authentication in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 75.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

WWBN AVideo is an open source video platform. In versions up to and including 29.0, objects/users.json.php exposes two unauthenticated paths that disclose the full set of registered user accounts. The isCompany request parameter causes the handler to set $ignoreAdmin = true for any non-admin caller (including unauthenticated visitors), which defeats the admin-only guard inside User::getAllUsers()/User::getTotalUsers(). A second path accepts users_id and calls User::getUserFromID() directly with no permission check, producing a single-user oracle. Both paths return id, identification (display name), channel URL, photo, background, and status, plus the total account count. Commit d9cdc702481a626b15f814f6093f1e2a9c20d375 contains an updated fix.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	wwbn/avideo	no fix listed	GHSA-6rvw-7p8v-mjfq

Affected products (as reported)

Vendor	Product	Versions
WWBN	AVideo	<= 29.0

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-6rvw-7p8v-mjfq x_refsource_CONFIRM
https://github.com/WWBN/AVideo/commit/d9cdc702481a626b15f814f6093f1e2a9c20d375 x_refsource_MISC