Medium severity6.1NVD Advisory· Published May 11, 2021· Updated Jun 17, 2026
CVE-2021-21648
CVE-2021-21648
Description
Jenkins Credentials Plugin 2.3.18 and earlier does not escape user-controlled information on a view it provides, 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:credentialsMaven | >= 2.3.16, < 2.3.19 | 2.3.19 |
org.jenkins-ci.plugins:credentialsMaven | >= 2.3.15, < 2.3.15.1 | 2.3.15.1 |
org.jenkins-ci.plugins:credentialsMaven | >= 2.3.14, < 2.3.14.1 | 2.3.14.1 |
org.jenkins-ci.plugins:credentialsMaven | >= 2.3.8, < 2.3.13.1 | 2.3.13.1 |
org.jenkins-ci.plugins:credentialsMaven | >= 2.3.1, < 2.3.7.1 | 2.3.7.1 |
org.jenkins-ci.plugins:credentialsMaven | < 2.3.0.1 | 2.3.0.1 |
Affected products
3- Range: unspecified
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-gchq-9r68-6jwvghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21648ghsaADVISORY
- www.jenkins.io/security/advisory/2021-05-11/nvdVendor AdvisoryWEB
- github.com/CVEProject/cvelist/blob/2d78eb36f4d084db7fb35f1535d8d84fdcb7d859/2021/21xxx/CVE-2021-21648.jsonghsaWEB
- github.com/jenkinsci/credentials-plugin/commit/41f3ec1143f80a7e80ab9a4a5f861f26fd3792ccghsaWEB
News mentions
1- Jenkins Security Advisory 2021-05-11Jenkins Security Advisories · May 11, 2021