Hackingrepo

**Name of the Vulnerable Software and Affected Versions** OWASP Core Rule Set versions prior to 3.3.9 OWASP Core Rule Set versions prior to 4.25.0 **Description** A bypass exists in the OWASP Core Rule Set (CRS), a set of generic attack detection rules for web application firewalls. The issue allows the upload of files with dangerous extensions such as `.php`, `.phar`, `.jsp`, and `.jspx` by inserting whitespace padding into the filename. This occurs because the affected rules fail to normalize whitespace before evaluating the file extension regular expression, causing the dot-extension check to fail. This bypass is most practical on Windows systems and could potentially lead to Remote Code Execution (RCE) if the underlying application is vulnerable. **Recommendations** Update to version 3.3.9. Update to version 4.25.0.