CVEs-PoC/2021/CVE-2021-42136.md

CVE-2021-42136

Description

A stored Cross-Site Scripting (XSS) vulnerability in the Missing Data Codes functionality of REDCap before 11.4.0 allows remote attackers to execute JavaScript code in the client's browser by storing said code as a Missing Data Code value. This can then be leveraged to execute a Cross-Site Request Forgery attack to escalate privileges to administrator.

POC

Reference

• http://packetstormsecurity.com/files/166723/REDCap-Cross-Site-Scripting.html

Github

• https://github.com/ARPSyndicate/cvemon