Medium severity5.4NVD Advisory· Published Mar 30, 2021· Updated Jun 17, 2026
CVE-2021-21630
CVE-2021-21630
Description
Jenkins Extra Columns Plugin 1.22 and earlier does not escape parameter values in the build parameters column, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.jenkins-ci.plugins:extra-columnsMaven | < 1.23 | 1.23 |
Affected products
3cpe:2.3:a:jenkins:extra_columns:*:*:*:*:*:jenkins:*:*+ 1 more
- cpe:2.3:a:jenkins:extra_columns:*:*:*:*:*:jenkins:*:*range: <=1.22
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
5- www.openwall.com/lists/oss-security/2021/03/30/1nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-wx66-pm7r-2q82ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21630ghsaADVISORY
- www.jenkins.io/security/advisory/2021-03-30/nvdVendor AdvisoryWEB
- github.com/jenkinsci/extra-columns-plugin/commit/929887caba35eb78a55fee31d08fb950200a92efghsaWEB
News mentions
1- Jenkins Security Advisory 2021-03-30Jenkins Security Advisories · Mar 30, 2021