Stored XSS vulnerability in Jenkins Extra Columns Plugin

published 2021-03-30 5 y ago modified 2026-06-17 4 mo ago also GHSA-wx66-pm7r-2q82 , EUVD-2022-5666

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 72.4%; EPSS 72.4% chance of exploitation in 30 days, percentile 99.4%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

maven org.jenkins-ci.plugins:extra-columns 1.23

github.com/jenkinsci/extra-columns-plugin@929887c commit

Exploit prediction

72.39% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.jenkins-ci.plugins:extra-columns	<1.23	1.23

Affected products

Jenkins project Jenkins Extra Columns Plugin

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /jenkinsci/extra-columns-plugin/commit/929887caba35eb78a55fee31d08fb950200a92ef
web
jenkins.io /security/advisory/2021-03-30/#SECURITY-2222
web, vendor-advisory
openwall.com /lists/oss-security/2021/03/30/1
mailing-list, web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2021-21630
advisory
github.com /jenkinsci/extra-columns-plugin
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary