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By coltrane on
- Advisory ID: DRUPAL-SA-CONTRIB-2010-010
- Project: Author Contact (third-party module)
- Version: 5.x, 6.x
- Date: 2010-January-27
- Security risk: Less critical
- Exploitable from: Remote
- Vulnerability: Cross Site Scripting
Description
The Author Contact module provides a form to contact the author of the current post. The module does not properly sanitize parts of the provided block, leading to a cross-site scripting (XSS) vulnerability. Such an attack may lead to a malicious user gaining full administrative access. A user must have a role with the permission administer blocks to exploit.
Versions affected
- Author Contact for Drupal 6.x prior to 6.x-1.3
- Author Contact for Drupal 5.x prior to 5.x-1.3
Drupal core is not affected. If you do not use the contributed Author Contact module, there is nothing you need to do.
Solution
Upgrade to the latest version:
- If you use Author Contact for Drupal 6.x upgrade to Author Contact 6.x-1.3
- If you use Author Contact for Drupal 5.x upgrade to Author Contact 5.x-1.3
See also the Author Contact project page.
Reported by
Fixed by
- James Crook, the module maintainer
- Benjamin Jeavons
Contact
The security contact for Drupal can be reached at security at drupal.org or via the form at http://drupal.org/contact.
