Cross-site scripting (XSS) vulnerability in the Project Issue Tracking module 5.x-2.x-dev before 20080130 in the 5.x-2.x series, 5.x-1.2 and earlier in the 5.x-1.x series, 4.7.x-2.6 and earlier in the 4.7.x-2.x series, and 4.7.x-1.6 and earlier in the 4.7.x-1.x series for Drupal allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors that write to summary table pages.