CVE-2026-100523 — Cotonti through 1.0.0 Open Redirect via message.php redirect parameter
Cotonti through 1.0.0 contains an open redirect vulnerability in message.php that base64-decodes the redirect parameter without domain validation. Unauthenticated attackers can …
Published: 2026-09-26 · CVSS: 5.1 · CVSS 4.0
Cotonti through 1.0.0 contains an open redirect vulnerability in message.php that base64-decodes the redirect parameter without domain validation. Unauthenticated attackers can craft malicious links with encoded external URLs to redirect users to arbitrary sites via meta refresh tags for phishing attacks.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7