CVE-2026-91966

Description

AVideo through 29.0 contains an unauthenticated server-side request forgery vulnerability in the check_site_availability function that accepts attacker-controlled HTTP Host headers. Attackers can send requests to submitIndex.php or ajax.php with arbitrary Host headers to probe internal network hosts and ports, following redirects without authentication.

CVSS Vector

References

• https://github.com/WWBN/AVideo/security/advisories/GHSA-rqg6-qcjv-55w5
• https://www.vulncheck.com/advisories/avideo-through-29.0-unauthenticated-ssrf-via-host-header