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Vulnerabilities CVE-2026-4093

CVE-2026-4093

Medium
Open
TLP:CLEAR

Stored XSS in Drupal 7 Term Reference Tree module (token display templates and term labels)

NVD CVE.org
Critical Infrastructure

AI Analysis

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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.

Details

CVSS Score
5.1
EPSS Score
0.17%

6.8th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Confidence
90%
Published
May 21, 2026
Last Modified
May 22, 2026
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