๐Ÿ” CVE Alert

CVE-2026-109307

MEDIUM 4.7

Craft CMS 5.0.0 before 5.10.14 DOM XSS via returnUrl in 2FA Verification

CVSS Score
4.7
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor craftcms
Product cms
Published Oct 12, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

craftcms / cms
5.0.0 < 5.10.14

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/craftcms/cms/security/advisories/GHSA-w5rh-mhxj-wr8r vulncheck.com: https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.10.14-dom-xss-via-returnurl-in-2fa-verification

Credits

๐Ÿ” doanmanhducz