CVE-2026-55808

Medium

Description

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.

SeverityMedium
CVSS5.4
Exploit probability—
ProductDrupal
PublishedJul 10, 2026
First seenJul 10, 2026

How to fix

Update
  • drupal drupal10.5.12, 10.6.11, 11.2.14, 11.3.12 or later
  • drupal/core10.5.12, 10.6.11, 11.2.14, 11.3.12, 11.1.0, 11.2.0 or later

Affected products

ProductAffected versionsFixed in
drupal drupalv < 10.5.12, 10.6.0 ≤ v < 10.6.11, 11.0.0 ≤ v < 11.2.14, 11.3.0 ≤ v < 11.3.1210.5.12, 10.6.11, 11.2.14, 11.3.12
drupal/corePackagistv < 10.5.12, 10.6.0 ≤ v < 10.6.11, 11.2.0 ≤ v < 11.2.14, 11.3.0 ≤ v < 11.3.12, 11.0.0 ≤ v < 11.1.0, 11.1.0 ≤ v < 11.2.010.5.12, 10.6.11, 11.2.14, 11.3.12, 11.1.0, 11.2.0

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CVE-2026-55808 · Drupal · Dark Radar