CVE-2026-82643

6.9 mediumEPSS 0.3%

Medium (6.9). EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

6.9 medium

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

CVSS 3.1

6.5 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-11-01)
CWE: CWE-307
Published: 2026-08-30
Modified: 2026-09-02
Record from: the NVD, synced 2026-10-19

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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