CVE-2026-93869
6.1 MEDIUMpublic exploit availablePublished 2026-09-18 · Updated 2026-09-22
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-601
Public exploit & PoC references
- 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://github.com/Cotonti/Cotonti/issues/1891
- https://github.com/Cotonti/Cotonti/pull/1899
- https://github.com/Cotonti/Cotonti/issues/1891
All references
- 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://github.com/Cotonti/Cotonti/issues/1891
- https://github.com/Cotonti/Cotonti/pull/1899
- https://www.vulncheck.com/advisories/cotonti-through-1.0.0-open-redirect-via-unanchored-cot-url-check-regex
- https://github.com/Cotonti/Cotonti/issues/1891
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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