The core Upload module in Drupal 4.7.x before 4.7.8 and 5.x before 5.3 places the .html extension on a whitelist, which allows remote attackers to conduct cross-site scripting (XSS) attacks by uploading .html files.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Drupal | — | Upgrade to Drupal version 4.7.8Upgrade to Drupal version 5.3 | Aug 2, 2017 | Oct 19, 2007 |
| Freebsd | — | Upgrade drupal5Upgrade drupal4 | Dec 10, 2025 | Oct 24, 2007 |
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