Insufficient Type Distinction

Overview typo3/cms-form is a Form Library, Plugin and Editor Affected versions of this package are vulnerable to Insufficient Type Distinction via the FileUpload or ImageUpload elements when allowedMimeTypes is configured. An attacker can upload files with arbitrary MIME types by bypassing...

Missing Authorization

Overview typo3/cms-form is a Form Library, Plugin and Editor Affected versions of this package are vulnerable to Missing Authorization in the processing of form definition files by the Form Framework. An attacker can gain administrative privileges by uploading and using maliciously crafted files...

Missing Authorization

Overview typo3/cms-form is a Form Library, Plugin and Editor Affected versions of this package are vulnerable to Missing Authorization via the upload for form definition files with mixed-case extensions. An attacker can escalate privileges by uploading maliciously crafted files that execute...

Deserialization of Untrusted Data

Overview typo3/cms-form is a Form Library, Plugin and Editor Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the VariableFrontend or Registry. An attacker can execute arbitrary PHP code by injecting a crafted serialized payload into the underlying storage...

Insecure Deserialization

typo3/cms-form is vulnerable to Insecure Deserialization. The vulnerability is due to the PECL package "yaml" with the PHP setting yml.decodephp enabled, which allows an attacker to deserialize arbitrary YAML to PHP code. An attacker must have a valid backend user account as well yaml.decodephp...