Vulnerability · Published Sep 1, 2026 · Assigned by VulnCheck
CVE-2026-84483WWBN AVideo Unauthenticated Password Hash Oracle via encryptPass.json.php
Medium 5.3
In plain English
A medium-severity security flaw in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Official description
WWBN AVideo through commit 9c39d8c8 contains an incomplete authentication bypass in encryptPass.json.php that allows unauthenticated attackers to compute valid HMAC tokens using the public site URL and current time. Attackers can forge authentication tokens by computing hash_hmac with the site's base URL as the key and submit arbitrary passwords to receive encrypted hashes, enabling offline precomputation attacks against stolen password databases.
Affected products (as reported)
Weakness: CWE-321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- GitHub Security Advisory (GHSA-q92q-q2f7-v4fc) vendor-advisory
- VulnCheck Advisory: WWBN AVideo Unauthenticated Password Hash Oracle via encryptPass.json.php third-party-advisory