3 Videos for XSS 03

In this video, we introduce the XSS 03 challenge from the Essential badge series. The objective is to create a popup alert box containing your unique identifier (UUID) while bypassing a non-recursive script filter.

In this video, we cover the Cross-Site Scripting (XSS) 03 exercise from the Essential badge. We delve into recursive filtering issues and demonstrate how to exploit them to bypass security measures.

In this video, we perform a source code review of the XSS 03 challenge. We identify and discuss key vulnerabilities in the PHP code, specifically focusing on issues with non-recursive script tag removal and improper use of htmlentities.