View online: https://www.drupal.org/sa-contrib-2026-294 Project: Content Synchronizer [1] Project machine name: content_synchronizer Date: 2026-November-04 Security risk: *Moderately critical* 14 ∕ 25 AC:Basic/A:User/CI:Some/II:Some/E:Theoretical/TD:All [2] Vulnerability: Cross-site scripting Affected versions: <4.1.1 CVE IDs: CVE-2026-118566 Description: The Content Synchronizer module allows content to be exported and imported between Drupal sites via uploaded archive files. The module doesn't sufficiently sanitize input passed to its client-side code, leading to a DOM-based cross-site scripting (XSS) vulnerability. Solution: Install the latest version: * Upgrade to Content Synchronizer 4.1.1 [3]. Reported By: * Drew Webber (mcdruid) [4] of the Drupal Security Team Fixed By: * Oleh Shevchuk (alt.dev) [5] Coordinated By: * Swan Kalata (akalata) [6] of the Drupal Security Team * Greg Knaddison (greggles) [7] of the Drupal Security Team * Drew Webber (mcdruid) [8] of the Drupal Security Team * Jess (xjm) [9] of the Drupal Security Team ------------------------------------------------------------------------------ Contribution record [10] [1] https://www.drupal.org/project/content_synchronizer [2] https://www.drupal.org/drupal-security-team/security-risk-levels-defined [3] https://www.drupal.org/project/content_synchronizer/releases/4.1.1 [4] https://www.drupal.org/u/mcdruid [5] https://www.drupal.org/u/altdev [6] https://www.drupal.org/u/akalata [7] https://www.drupal.org/u/greggles [8] https://www.drupal.org/u/mcdruid [9] https://www.drupal.org/u/xjm [10] https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal....