CVE-2026-4093
mediumpriority · track · 22EPSS 0.003 · 16 %ileEUUSEPSS · scored 2026-10-23
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.2–5.4
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
- taxonomy term reference tree widget project taxonomy term reference tree widget7.x-1.0 → 7.x-1.12nvdUScpe:2.3:a:taxonomy_term_reference_tree_widget_project:taxonomy_term_reference_tree_widget:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2026-4093cnnvd
- https://www.drupal.org/project/term_reference_treePatchcnnvd
- https://d7es.tag1.com/security-advisories/taxonomy-term-reference-tree-widget-moderately-critical-cross-site-scriptingenisa_euvd
- https://www.herodevs.com/vulnerability-directory/cve-2026-4093enisa_euvd
- https://d7es.tag1.com/security-advisories/taxonomy-term-reference-tree-widget-moderately-critical-cross-site-scriptingThird Party Advisorynvd
- https://www.herodevs.com/vulnerability-directory/cve-2026-4093ExploitThird Party Advisorynvd
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