CVE-2026-45620 PUBLISHED

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

Assigner: GitHub_M
Reserved: 12.05.2026 Published: 29.05.2026 Updated: 29.05.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	WWBN
Product	AVideo
Versions	Version <= 29.0 is affected

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-vpfx-pxqw-2w79

Problem Types

CWE-204: Observable Response Discrepancy CWE
CWE-285: Improper Authorization CWE