CVE-2021-21619

Jenkins Claim Plugin 2.18.1 and earlier does not escape the user display name, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers who are able to control the display names of Jenkins users, either via the security realm, or directly inside Jenkins.

Score

CVSS 3.1 5.4 Medium

Status

Modified - jenkinsci-cert@googlegroups.com

Published

2021-02-24

Last modified

2024-08-03

Weaknesses

CWE-79

Affected products

• Claim (Jenkins)
• Jenkins Claim Plugin (Jenkins Project)

References

• http://www.openwall.com/lists/oss-security/2021/02/24/3
• https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20%281%29