{"id":"CVE-2026-93870","title":"Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the ratings plugin AJAX handler, allowing attackers to forge ratings on behalf of authenticated users","summary":"Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the ratings plugin AJAX handler, allowing attackers to forge ratings on behalf of authenticated users. Attackers can craft malicious pages that auto-submit POST requests to modi…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","cwe":["CWE-352"],"vendor":"Cotonti","product":"Cotonti","affected":["Cotonti <= 1.0.0"],"published":"2026-09-18","updated":"2026-09-18","sourceUpdated":"2026-09-18T20:17:34.940","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93870","references":[{"url":"https://github.com/Cotonti/Cotonti","label":"disclosure@vulncheck.com"},{"url":"https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/ratings/ratings.ajax.php","label":"disclosure@vulncheck.com"},{"url":"https://github.com/Cotonti/Cotonti/issues/1892","label":"disclosure@vulncheck.com"},{"url":"https://github.com/Cotonti/Cotonti/pull/1900","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/cotonti-through-1.0.0-cross-site-request-forgery-in-the-ratings-plugin-ajax-handler","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"ingestedAt":"2026-09-18T20:51:25.689Z","epss":0.00136,"epssPercentile":0.03372,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-22T15:40:37.403356Z"},"slug":"CVE-2026-93870","body":"## Overview\n\nCotonti through 1.0.0 fails to validate anti-CSRF tokens in the ratings plugin AJAX handler, allowing attackers to forge ratings on behalf of authenticated users. Attackers can craft malicious pages that auto-submit POST requests to modify stored rating data when visited by logged-in users.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":36,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":209146,"id":"CVE-2026-93870","ts":1790093214630,"field":"exploit_available","old":"false","new":"true"}]}