medium5.4
CVE-2021-21619
XSS vulnerability in Jenkins Claim Plugin
Impact
Jenkins Claim Plugin 2.18.1 and earlier does not escape the user display name shown in claims. This results 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. Everyone with a Jenkins account can change their own display name.\n\nClaim Plugin 2.18.2 escapes the user display name shown in claims.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:claim | <= 2.18.1 | 2.18.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Jenkins | Claim | through 2.18.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- 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
- https://github.com/advisories/GHSA-48hr-jg4p-w4p4
- https://nvd.nist.gov/vuln/detail/CVE-2021-21619
- https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20(1)