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

- 種別: advisory
- 重大度: critical
- 関連技術: drupal, php
- CVE: CVE-2026-15917
- 公開日時: 2026-07-15T19:51:57.000Z
- 情報源: Drupal Security Advisories (https://www.drupal.org/sa-core-2026-011)
- パーマリンク: https://vulnpulse.app/items/drupal-security-4b6fffe71c4a

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…