Vulnerability Description
Thelia before 3.1.1 contains a stored cross-site scripting vulnerability that allows authenticated back-office administrators with store update permission to inject scripts by uploading unsanitized SVG logo_file or banner_file images. Attackers can upload an SVG with an onload payload served from /admin/store-media/logo or the public cache/images/store/ directory to execute scripts against visitors and higher-privileged administrators.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/thelia-templates/default-twig/blob/6473c164bd86348f4c7d0ef6f1
- https://github.com/thelia-templates/default-twig/commit/d79780eafc5b17ac75554c83
- https://github.com/thelia-templates/default-twig/commit/f690a649cbbcee9543647cb7
- https://github.com/thelia/thelia/commit/2c691e5c3bb8536ca901fcf7d2780301bd111ba9
- https://github.com/thelia/thelia/releases/tag/3.1.1
- https://github.com/thelia/thelia/security/advisories/GHSA-gvcv-hvpp-89gx
- https://www.vulncheck.com/advisories/thelia-before-3.1.1-stored-xss-via-svg-stor
FAQ
What is CVE-2026-120248?
CVE-2026-120248 is a vulnerability with a CVSS score of 4.8 (MEDIUM). Thelia before 3.1.1 contains a stored cross-site scripting vulnerability that allows authenticated back-office administrators with store update permission to inject scripts by uploading unsanitized SV...
How severe is CVE-2026-120248?
CVE-2026-120248 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-120248?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.