Medium severity6.1NVD Advisory· Published Jun 10, 2021· Updated Jun 17, 2026
CVE-2021-21666
CVE-2021-21666
Description
Jenkins Kiuwan Plugin 1.6.0 and earlier does not escape query parameters in an error message for a form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.
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:kiuwanJenkinsPluginMaven | < 1.6.1 | 1.6.1 |
Affected products
3- Range: unspecified
Patches
Vulnerability mechanics
References
5- www.openwall.com/lists/oss-security/2021/06/10/14nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-8h77-3xwr-hqhhghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21666ghsaADVISORY
- www.jenkins.io/security/advisory/2021-06-10/nvdVendor AdvisoryWEB
- github.com/jenkinsci/kiuwan-plugin/commit/a5f6fdb1b8ad09d170547a4cc2b90c4829ef1f0aghsaWEB
News mentions
1- Jenkins Security Advisory 2021-06-10Jenkins Security Advisories · Jun 10, 2021