GHSA-5p43-vwpq-wm4qMediumCVSS 6.1
Cotonti through 1.0.0 contains an open redirect vulnerability in the cot_url_check() function...
🔗 CVE IDs covered (1)
📋 Description
Cotonti through 1.0.0 contains an open redirect vulnerability in the cot_url_check() 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 users to attacker-controlled hosts through the ratings plugin or other redirect callers.
🔗 References (8)
- https://nvd.nist.gov/vuln/detail/CVE-2026-93869
- https://github.com/Cotonti/Cotonti/issues/1891
- https://github.com/Cotonti/Cotonti/pull/1899
- https://github.com/Cotonti/Cotonti
- https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/ratings/ratings.ajax.php
- https://github.com/Cotonti/Cotonti/blob/1.0.0/system/functions.php
- https://www.vulncheck.com/advisories/cotonti-through-1.0.0-open-redirect-via-unanchored-cot-url-check-regex
- https://github.com/advisories/GHSA-5p43-vwpq-wm4q