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.
{ "constraint": "<1.3.1" }
"<1.3.1"
"https://github.com/DrupalSecurityTeam/drupal-advisory-database/blob/main/advisories/highlight_js/DRUPAL-CONTRIB-2026-299.json"