CVE-2026-109307Craft CMS 5.0.0 before 5.10.14 DOM XSS via returnUrl in 2FA Verification
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 12, 2026
Affected products
craftcms cms craftcms:cms (from the name) | from 5.0.0 before 5.10.14; 5.10.14 not affected | CNA record |
References
- https://github.com/craftcms/cms/security/advisories/GHSA-w5rh-mhxj-wr8rvendor-advisory
- https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.10.14-dom-xss-via-returnurl-in-2fa-verificationthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.