CVEvulnerability
CVE-2021-42136
9.0 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2022-04-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-79
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.
Affected configurations
• vanderbilt redcap (< 11.4.0)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- http://packetstormsecurity.com/files/166723/REDCap-Cross-Site-Scripting.html Exploit, Third Party Advisory, VDB Entry
- https://redcap.med.usc.edu/_shib/assets/ChangeLog_Standard.pdf Release Notes, Third Party Advisory
- https://www.project-redcap.org/ Product
- http://packetstormsecurity.com/files/166723/REDCap-Cross-Site-Scripting.html Exploit, Third Party Advisory, VDB Entry
- https://redcap.med.usc.edu/_shib/assets/ChangeLog_Standard.pdf Release Notes, Third Party Advisory
- https://www.project-redcap.org/ Product