Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center.
This vulnerability is fixed in Drupal 4.5.6, 4.6.4 and onwards. Drupal's new XSS filter mechanism takes care of all vulnerabilities listed on http://ha.ckers.org/xss.html (and even more).
Drupal Steward is a web application firewall product that can protect your Drupal sites from highly critical and mass exploitable vulnerabilities, allowing you to update on your own time.