How to Detect and Respond to Polyfill Attack (Polykill)

Understanding the Polyfill Vulnerability: Detection and Response

In this quick video, we dive into the polyfill vulnerability affecting web security. Learn how to detect and respond to this issue, understand the role of CDNs, and explore the historical context of polyfill usage. We break down detection techniques using tools like ZAP, Semgrep, and Aikido, and address the wider implications for cybersecurity. Discover why it's crucial to maintain good relationships with package maintainers, the effectiveness of different scanning methodologies, and actionable steps for securing your codebase.

00:00 Introduction to Polyfill Vulnerability

00:16 Understanding Polyfill and Its Uses

03:02 The Vulnerability Explained

05:04 Detecting the Vulnerability

08:20 Mitigating the Vulnerability

08:49 High-Level Takeaways and Conclusion