CVE-2026-82643

MEDIUM 6.5

WWBN AVideo Unauthenticated Rate Limit Bypass via preauthorize.json.php

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-307
Vendor	wwbn
Product	avideo
Published	Aug 30, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Affected Versions

WWBN / AVideo

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 rajivraj