CVE-2026-82643CWE-307

CVE-2026-82643

Medium · published August 30, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
26.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
EPSS
0.00345 · 26.8th percentile
Weakness
CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published
2026-08-30T19:16Z
References (3)
https://github.com/WWBN/AVideo/security/advisories/GHSA-gxxj-32wm-g48f · [email protected]https://www.vulncheck.com/advisories/wwbn-avideo-unauthenticated-rate-limit-bypass-via-preauthorize-json-php · [email protected]https://github.com/WWBN/AVideo/security/advisories/GHSA-gxxj-32wm-g48f · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 01 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 30 AUG 14:33Z
    WWBN AVideo Unauthenticated Rate Limit Bypass via preauthorize.json.php
    cvelistv5