Drupal core Un-restricted Upload of File. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 18/01/2022. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| drupal/core | ≥ 7.0.0, < 7.74≥ 8.0.0, < 8.8.11≥ 8.9.0, < 8.9.9≥ 9.0.0, < 9.0.8 | 7.748.8.118.9.99.0.8 |
| drupal/drupal | ≥ 7.0.0, < 7.74≥ 8.0.0, < 8.8.11≥ 8.9.0, < 8.9.9≥ 9.0.0, < 9.0.8 | 7.748.8.118.9.99.0.8 |
| drupal | ≥ 7.0, < 7.74≥ 8.8.0, < 8.8.11≥ 8.9.0, < 8.9.9≥ 9.0.0, < 9.0.8 | 7.748.8.118.9.99.0.8 |
Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.
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