• Advisory ID: DRUPAL-SA-CONTRIB-2012-147
  • Project: FileField Sources (third-party module)
  • Version: 6.x, 7.x
  • Date: 2012-September-19
  • Security risk: Moderately critical
  • Exploitable from: Remote
  • Vulnerability: Cross Site Scripting


The Drupal FileField module lets you upload files from your computer through a CCK field. The FileField Sources module expands on this ability by allowing you to select new or existing files through additional means. The FileField Sources module contains a persistent cross site scripting (XSS) vulnerability due to the fact that it fails to sanitize user supplied filenames before display.

This vulnerability is mitigated by the fact that malicious users must have the ability to upload files on a field that has the "Reference existing" source enabled.

CVE: CVE-2012-5538

Versions affected

  • FileField Sources 6.x-1.x versions prior to 6.x-1.6.
  • FileField Sources 7.x-1.x versions prior to 7.x-1.6.

Drupal core is not affected. If you do not use the contributed FileField Sources module, there is nothing you need to do.


Install the latest version:

Also see the FileField Sources project page.

Reported by

  • Disclosed publicly.

Fixed by

Coordinated by

Contact and More Information

The Drupal security team can be reached at security at drupal.org or via the contact form at http://drupal.org/contact.

Learn more about the Drupal Security team and their policies, writing secure code for Drupal, and securing your site.