SA-CONTRIB-2026-294: XSS
Published Nov 4, 2026
·Updated
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.
Credit
Drew Webber (mcdruid)(the Drupal Security Team)
Affected Software
1 affected componentFixes available
composer/drupal/content_synchronizer<4.1.1
4.1.1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/drupal/content_synchronizerto a version that resolves this vulnerability.Fixed in 4.1.1
Event History
Nov 4, 2026
Advisory Published
via Drupal·12:00 AM
Data Sourced
via Drupal·12:00 AM
DescriptionSeverityAffected Software