Master Secure Coding

Level up your security skills with hands-on code review challenges. Identify and fix vulnerabilities to become a better engineer.

Challenge of the WeekMedium
150 points

Course Announce

Review code for ExamPro, an online learning platform where instructors publish course announcements with rich HTML formatting. The Go backend handles announcement creation and rendering for thousands of students. A recent feature allows instructors to embed videos and styled content. Examine how announcement content is processed and displayed to ensure student safety.

WEBGOXSS (CROSS-SITE SCRIPTING)

Vulnerable Code

go

Instructions:

  1. Browse through the files to understand the application structure
  2. Find and click on the line containing the vulnerability
  3. Click "Check Line" to verify your answer
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