CVE-2021-21622

Stored XSS vulnerability in Jenkins Artifact Repository Parameter Plugin

5.4 MediumFix available

Jenkins Artifact Repository Parameter Plugin 1.0.0 and earlier does not escape parameter names and descriptions, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

9.39%Up 8.8 points since Apr 14, 2021

What each source reports

NVD Score used5.4

Record: CVE-2021-21622
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE ListNo score

Record: CVE-2021-21622
Updated: 2026-11-02

EUVDEUVD-2022-3936No score

Record: EUVD-2022-3936
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gc87-qwmv-7x9x5.4

Stored XSS vulnerability in Jenkins Artifact Repository Parameter Plugin

Jenkins Artifact Repository Parameter Plugin 1.0.0 and earlier does not escape parameter names and descriptions.

This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Jenkins Artifact Repository Parameter Plugin 1.0.1 escapes parameter names and descriptions.

Record: GHSA-gc87-qwmv-7x9x
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV5.4

Record: CVE-2021-21622
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVGHSA-gc87-qwmv-7x9x5.4

Stored XSS vulnerability in Jenkins Artifact Repository Parameter Plugin

Jenkins Artifact Repository Parameter Plugin 1.0.0 and earlier does not escape parameter names and descriptions.

This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Jenkins Artifact Repository Parameter Plugin 1.0.1 escapes parameter names and descriptions.

Record: GHSA-gc87-qwmv-7x9x
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`io.jenkins.plugins:artifact-repository-parameter` Maven	through 1.0.0	1.0.1
`io.jenkins.plugins:artifact-repository-parameter` Maven	before 1.0.1, plus listed versions 1.0.0	1.0.1

History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-21622 is a medium vulnerability (CVSS 5.4) in Jenkins Artifact Repository Parameter, published February 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.39%, the 95th percentile. Fixed in io.jenkins.plugins:artifact-repository-parameter 1.0.1.