Vulnerability Description
In the Drupal 7 Term Reference Tree module, two stored XSS vectors exist in the widget/formatter rendering pipeline. Vector A (token display templates): When the Token module is enabled and token display templates are configured, attacker-controlled token output (e.g., term description) is rendered without proper sanitization. Any user who can edit the referenced taxonomy terms can inject HTML/JS that executes when the field is rendered. Vector B (term label rendering): Taxonomy term labels are not properly sanitized before being rendered in the widget, allowing a user with permission to create or edit taxonomy terms to inject scripts into the term name that execute when a form containing the widget is viewed. Exploit affects versions 7.x-1.x up to and including 7.x-1.11.
Related Weaknesses (CWE)
References
- https://d7es.tag1.com/security-advisories/taxonomy-term-reference-tree-widget-mo
- https://www.herodevs.com/vulnerability-directory/cve-2026-4093
FAQ
What is CVE-2026-4093?
CVE-2026-4093 is a documented vulnerability. In the Drupal 7 Term Reference Tree module, two stored XSS vectors exist in the widget/formatter rendering pipeline. Vector A (token display templates): When the Token module is enabled and token dis...
How severe is CVE-2026-4093?
CVSS scoring is not yet available for CVE-2026-4093. Check NVD for updates.
Is there a patch for CVE-2026-4093?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.