View online: https://www.drupal.org/sa-contrib-2026-299 Project: Highlight Js syntax highlighter [1] Project machine name: highlight_js Date: 2026-November-04 Security risk: *Critical* 16 ∕ 25 AC:Basic/A:None/CI:Some/II:Some/E:Theoretical/TD:All [2] Vulnerability: Cross-site scripting Affected versions: <1.3.1 CVE IDs: CVE-2026-122068 Description:  This module enables you to add syntax-highlighted code snippets to content using CKEditor 5. The module doesn't sufficiently validate input passed to its CKEditor 5 preview endpoint, leading to a reflected cross-site scripting (XSS) vulnerability. Solution:  Install the latest version: * Upgrade to highlight_js 1.3.1 [3]. Reported By:  * André Angelantoni (aangel) [4] * Drew Webber (mcdruid) [5] of the Drupal Security Team Fixed By:  * Norman Kämper-Leymann (norman.lol) [6] Coordinated By:  * Swan Kalata (akalata) [7] of the Drupal Security Team * Juraj Nemec (poker10) [8] of the Drupal Security Team * Jess (xjm) [9] of the Drupal Security Team ------------------------------------------------------------------------------ Contribution record [10] [1] https://www.drupal.org/project/highlight_js [2] https://www.drupal.org/drupal-security-team/security-risk-levels-defined [3] https://www.drupal.org/project/highlight_js/releases/1.3.1 [4] https://www.drupal.org/u/aangel [5] https://www.drupal.org/u/mcdruid [6] https://www.drupal.org/u/normanlol [7] https://www.drupal.org/u/akalata [8] https://www.drupal.org/u/poker10 [9] https://www.drupal.org/u/xjm [10] https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal....