| Package | Affected versions | Patched versions |
|---|---|---|
| drupal/canvas | ≥ 1.5.0, < 1.5.2≥ 1.6.0, < 1.6.1≥ 1.7.0, < 1.7.1< 1.4.2 | 1.5.21.6.11.7.11.4.2 |
| drupal canvas | ≥ 1.5.0, < 1.5.2≥ 1.6.0, < 1.6.1≥ 1.7.0, < 1.7.1< 1.4.2 | 1.5.21.6.11.7.11.4.2 |
The Canvas module allow you to upload image files via a custom API.
The validation rules check the file extension of the uploaded file but not the file MIME type. This may allow a malicious user to upload a file that is not an image.
Certain web-server configurations may serve the uploaded file with its actual MIME type rather than an image type. This may lead to cross-site scripting (XSS) or other unexpected behavior.
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