Directory traversal vulnerability in public/examples/resources/getsource.php in Luracast Restler through 3.0.0, as used in the restler extension before 1.7.1 for TYPO3, allows remote attackers to read arbitrary files via the file parameter.
https://extensions.typo3.org/extension/restler/
https://extensions.typo3.org/extension/download/restler/1.7.1/zip/