CVE-2021-42136 - CVE House
Back to Database
Status published Critical CVE-2021-42136

A stored Cross-Site Scripting (XSS) vulnerability in the Missing Data...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-42136

Credits & Attribution

No credits recorded in the NVD database.

References

More from vanderbilt

View All →
CVE-2022-42715
A reflected XSS vulnerability exists in REDCap before 12.04.18 in...
Unknown 0
CVE-2022-24127
A Stored Cross-Site Scripting (XSS) vulnerability was discovered in ProjectGeneral/edit_project_settings.php...
Medium 5.4
CVE-2022-24004
A Stored Cross-Site Scripting (XSS) vulnerability was discovered in Messenger/messenger_ajax.php...
Medium 5.4
CVE-2020-27358
An issue was discovered in REDCap 8.11.6 through 9.x before...
Medium 4.3
CVE-2020-26713
REDCap 10.3.4 contains a XSS vulnerability in the ToDoList function...
Medium 6.1

Affected Vendor

Affected Software

redcap
Vulnerable Versions:
0

Timeline

Official Publish: April 13th, 2022
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.