Medium severity5.4NVD Advisory· Published Feb 24, 2021· Updated Jun 17, 2026

CVE-2021-21618

Description

Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/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:repository-connectorMaven	< 2.0.3	2.0.3

Affected products

ghsa-coords
pkg:maven/org.jenkins-ci.plugins/repository-connector
Range: < 2.0.3
Jenkins Project/Repository Connector Plugincpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-hg2w-3c4j-jjwmghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2021-21618ghsaADVISORY
www.jenkins.io/security/advisory/2021-02-24/nvdVendor AdvisoryWEB

News mentions

Jenkins Security Advisory 2021-02-24
Jenkins Security Advisories · Feb 24, 2021

cvss	0.351
epss	0.066
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000