• Advisory ID: DRUPAL-SA-CONTRIB-2013-039
  • Project: Commons Wikis (third-party module)
  • Version: 7.x
  • Date: 2013-March-27
  • Security risk: Moderately critical
  • Exploitable from: Remote
  • Vulnerability: Access bypass, Multiple vulnerabilities


The Drupal Commons distribution is a tool for building social, group-based collaboration communities. The Commons Wikis module is used by the distribution to provide specific wiki functionality.

Versions 3.0 and earlier of the Commons Wikis module is vulnerable to an access bypass and privilege escalation vulnerability that allows anonymous users to post content into groups.

CVE identifier(s) issued

  • CVE-2013-1908

Versions affected

  • Drupal Commons and Commons Wikis versions prior to 7.x-3.1.

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


Install the latest version:

  • If you use Commons Wikis module upgrade to Commons Wikis 7.x-3.1 or install the latest version of the Drupal Commons distribution (7.x-3.1) which will include the fix for Commons Wikis

Also see the Commons Wikis project page.

Reported by

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.