Drupal's JSON:API and REST/File modules allow file uploads through their HTTP APIs. The modules do not correctly run all file validation, which causes an access bypass vulnerability. An attacker might be able to upload files that bypass the file validation process implemented by modules on the site.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
Link | Tags |
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https://www.drupal.org/sa-core-2021-008 | patch vendor advisory mitigation |