Vulnerability Description
The extension fails to validate a client-supplied template element key before using it to build file paths for saving and deleting Mask template files. An authenticated backend user with access to the Mask module can supply a key containing path traversal sequences to create or delete .html files outside the configured template directory.
Related Weaknesses (CWE)
References
FAQ
What is CVE-2026-77139?
CVE-2026-77139 is a documented vulnerability. The extension fails to validate a client-supplied template element key before using it to build file paths for saving and deleting Mask template files. An authenticated backend user with access to the...
How severe is CVE-2026-77139?
CVSS scoring is not yet available for CVE-2026-77139. Check NVD for updates.
Is there a patch for CVE-2026-77139?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.