[IT-SecNots] [Security-news] Content Synchronizer - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-294

[security-news AT drupal.org]

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

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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.org/node/3634326

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