{"id":"CVE-2026-109307","published":"2026-10-12T17:17:25.077","lastModified":"2026-10-15T20:33:06.527","description":"Craft CMS 5.0.0 before 5.10.14 contains a DOM-based cross-site scripting vulnerability in the control panel login and 2FA verification flow, where a user-controlled returnUrl accepting javascript: URLs is used in client-side navigation. Attackers can lure a 2FA-enabled victim into opening a crafted /admin/login?verify=1 URL between password submission and TOTP verification, executing JavaScript in the authenticated control panel with the victim's permissions.","cvssScore":4.7,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-w5rh-mhxj-wr8r","tags":[]},{"url":"https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.10.14-dom-xss-via-returnurl-in-2fa-verification","tags":[]}],"exploitRefs":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-w5rh-mhxj-wr8r","tags":[]}],"hasPoc":true,"ai":null}