{"id":"CVE-2026-82451","title":"Formwork before 2.3.11 contains a stored cross-site scripting vulnerability in visit tracking that records the Referer header host unescaped","summary":"Formwork before 2.3.11 contains a stored cross-site scripting vulnerability in visit tracking that records the Referer header host unescaped. Unauthenticated attackers can craft malicious Referer headers to inject markup that executes in…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"published":"2026-08-29","updated":"2026-09-23","sourceUpdated":"2026-09-23T17:17:46.163","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82451","references":[{"url":"https://github.com/getformwork/formwork/releases/tag/2.3.11","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getformwork/formwork/security/advisories/GHSA-hpgc-57cm-66pc","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/formwork-stored-xss-via-referer-header","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getformwork/formwork","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getformwork/formwork/blob/89d1908572e55809d6ee1771f59a816494c29573/panel/views/statistics/index.php","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/formwork-through-2.3.14-stored-xss-via-referer-header","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00356,"epssPercentile":0.2656,"ingestedAt":"2026-08-30T07:49:08.513Z","vendor":"getformwork","product":"Formwork","affected":["Formwork >= 2.0.0 <= 2.3.10"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-02T18:02:28.558485Z"},"slug":"CVE-2026-82451","body":"## Overview\n\nFormwork before 2.3.11 contains a stored cross-site scripting vulnerability in visit tracking that records the Referer header host unescaped. Unauthenticated attackers can craft malicious Referer headers to inject markup that executes in administrator browsers when viewing the Statistics panel.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}