Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Claim | <= 2.18.1 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/02/24/3Mailing ListThird Party Advisory
- https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20%281%29Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/02/24/3Mailing ListThird Party Advisory
- https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20%281%29Vendor Advisory
FAQ
What is CVE-2021-21619?
CVE-2021-21619 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 displ...
How severe is CVE-2021-21619?
CVE-2021-21619 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21619?
Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Claim.