Drupal core Stored XSS before 10.6.13, 11.3.14, 11.4.4
CVE-2026-55805 Published on August 25, 2026
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-012
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Stored XSS. This issue affects Drupal core versions: from 0.0.0 to 10.6.13, from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*, from 0.0.0 to 11.2.*.
Vulnerability Analysis
CVE-2026-55805 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-55805 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-55805
Want to know whenever a new CVE is published for Drupal? stack.watch will email you.
Affected Versions
Drupal core:- Version 0.0.0 and below 10.6.13 is affected.
- Version 11.3.0 and below 11.3.14 is affected.
- Version 11.4.0 and below 11.4.4 is affected.
- Version 0.0.0 and below 11.0.* is affected.
- Version 0.0.0 and below 11.1.* is affected.
- Version 0.0.0 and below 11.2.* is affected.