• Advisory ID: DRUPAL-SA-CONTRIB-2012-148
  • Project: Organic groups (third-party module)
  • Version: 7.x
  • Date: 2012-September-26
  • Security risk: Moderately critical
  • Exploitable from: Remote
  • Vulnerability: Access bypass


OG (Organic groups) enables users to create and manage their own 'groups'. Each group can have subscribers, and maintains a group home page where subscribers communicate amongst themselves. A group membership can be given immediately upon subscribing, or be pending - waiting for a group administrator to approve it.

OG doesn't properly maintain pending memberships if the user is allowed to edit their own account.

In addition, under certain circumstances, a user was able to post to a group which they were not a member of.

There are no additional mitigating factors for these issues.

CVE: CVE-2012-5539

Versions affected

  • OG (Organic groups) 7.x-1.x versions prior to 7.x-1.5.

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


Install the latest version:

Also see the Organic groups project page.

Reported by

Fixed by

Coordinated by

Contact and More Information

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