Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011

Project: Drupal core Project machine name: drupal Date: 2026-July-15 Security risk: Moderately critical 14 ∕ 25 AC:Basic/A:User/CI:Some/II:Some/E:Theoretical/TD:All Vulnerability: Cross-site scripting Affected versions: >=11.3.0 <11.3.14 || >=11.4.0 <11.4.4 || 11.2.* CVE IDs: CVE-2026-15917 Description: Drupal core 11.2 and above integrate the HTMX JavaScript library. Drupal core's XSS filter does not sufficiently sanitize certain HTMX attributes, which can lead to a cross-site scripting (XSS) vulnerability. The vulnerability is mitigated by the fact an attacker must be able to insert HTML wi…

Drupal Security Advisoriesで読む