EUVD-2026-83366

Cotonti through 1.0.0 contains an open redirect vulnerability in the coturlcheck function that validates redirect destinations using a regular expression lacking an end-of-string anchor. Attackers can bypass the redirect guard by supplying hostnames beginning with the site domain to redirect user...

CVE-2026-93869

Cotonti through version 1.0.0 is affected by an open redirect vulnerability in the cot_url_check() function (defined in system/functions.php). The root cause is a regular expression that validates redirect destinations but lacks an end-of-string anchor , allowing attackers to bypass the guard by ...