CVE-2021-42136

CRITICAL

Vanderbilt Redcap < 11.4.0 - XSS

Title source: rule

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.

Exploits (1)

exploitdb WORKING POC
by Kendrick Lam · textwebappsphp
https://www.exploit-db.com/exploits/50877

References (3)

Scores

CVSS v3 9.0
EPSS 0.0176
EPSS Percentile 82.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Details

CWE
CWE-79
Status published
Products (1)
vanderbilt/redcap < 11.4.0
Published Apr 13, 2022
Tracked Since Feb 18, 2026