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OpenAdvisories
Medium · 5.4 CVE-2026-55805 DRUPAL-CORE-2026-012EUVD-2026-66183GHSA-vqm5-mjxv-776v

Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-012

Published Aug 25, 2026 · Updated Aug 26, 2026 · Assigned by drupal

Description

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.*.

Affected products

VendorProductAffectedFixed
Drupal Drupal core 0.0.0 – < 10.6.13, 11.3.0 – < 11.3.14, 11.4.0 – < 11.4.4, 0.0.0 – < 11.0.*, 0.0.0 – < 11.1.*, 0.0.0 – < 11.2.* 10.6.13

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist drupal/core < 10.6.13 · >= 11.3.0, < 11.3.14 · >= 11.4.0, < 11.4.4 · >= 11.0.0, < 11.1.0 · >= 11.1.0, < 11.2.0 · >= 11.2.0, < 11.3.0 10.6.13, 11.3.14, 11.4.4, 11.1.0, 11.2.0, 11.3.0 DRUPAL-CORE-2026-012

Advisories 1

References