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

- 種別: advisory
- 重大度: critical
- 関連技術: drupal, php
- CVE: CVE-2026-55805
- 公開日時: 2026-07-15T19:52:26.000Z
- 情報源: Drupal Security Advisories (https://www.drupal.org/sa-core-2026-012)
- パーマリンク: https://vulnpulse.app/items/drupal-security-b79c9d2c7cd9

Project: Drupal core Project machine name: drupal Date: 2026-July-15 Security risk: Moderately critical 13 ∕ 25 AC:Basic/A:User/CI:Some/II:Some/E:Theoretical/TD:Default Vulnerability: Cross-site scripting Affected versions: <10.6.13 || >=11.3.0 <11.3.14 || >=11.4.0 <11.4.4 || 11.0.* || 11.1.* || 11.2.* CVE IDs: CVE-2026-55805 Description: The Layout Builder module doesn't sufficiently sanitize block labels in certain scenarios, which can lead to a cross-site scripting (XSS) vulnerability. This is mitigated by the fact that both the attacker and the targeted user need to be using the Layout Bu…