CVE-2026-82643: WWBN AVideo Unauthenticated Rate Limit Bypass via preauthorize.json.php

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-30 · updated 2026-09-02
Weakness: CWE-307

Description

WWBN AVideo contains an unauthenticated credential submission vulnerability in plugin/Live/api/preauthorize.json.php that accepts credentials over GET without rate limiting. Attackers can submit correct credentials repeatedly to trigger uncapped two-factor confirmation emails and perform sustained password guessing attacks against user accounts.

Affected products

WWBN AVideo: all versions

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-gxxj-32wm-g48f
https://www.vulncheck.com/advisories/wwbn-avideo-unauthenticated-rate-limit-bypass-via-preauthorize-json-php
https://github.com/WWBN/AVideo/security/advisories/GHSA-gxxj-32wm-g48f

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