WWBN AVideo up to 29.0 objects/mention.json.php User::loginCheck term response discrepancy

Summaryinfo

A vulnerability labeled as problematic has been found in WWBN AVideo up to 29.0. This vulnerability affects the function User::loginCheck of the file objects/mention.json.php. Executing a manipulation of the argument term can lead to response discrepancy. This vulnerability is handled as CVE-2026-45620. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in WWBN AVideo up to 29.0. It has been declared as problematic. This vulnerability affects the function User::loginCheck of the file objects/mention.json.php. The manipulation of the argument term with an unknown input leads to a response discrepancy vulnerability. The CWE definition for the vulnerability is CWE-204. The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-45620 since 05/12/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/29/2026). The MITRE ATT&CK project declares the attack technique as T1592.

By approaching the search of inurl:objects/mention.json.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• WWBN

Name

• AVideo

Version

• 29.0

License

• open-source

Website

• Product: https://github.com/WWBN/AVideo/

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