CVE-2021-21630
Stored XSS vulnerability in Jenkins Extra Columns Plugin
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.
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
What each source reports
NVD Score used
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.
- Record
CVE-2021-21630- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-21630- Updated
- 2026-11-02
EUVDEUVD-2022-5666 No score
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.
- Record
EUVD-2022-5666- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wx66-pm7r-2q82
Stored XSS vulnerability in Jenkins Extra Columns Plugin
Jenkins Extra Columns Plugin 1.22 and earlier does not escape parameter values in the build parameters column.
This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission. Additionally, a view containing such a job needs to be configured with the build parameters column, or the attacker also needs View/Configure permission.
Jenkins Extra Columns Plugin 1.23 escapes parameter values in the build parameters column.
- Record
GHSA-wx66-pm7r-2q82- CVSS 3.1
- 5.4 Medium
CVSS: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
OSV
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.
- Record
CVE-2021-21630- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-wx66-pm7r-2q82
Stored XSS vulnerability in Jenkins Extra Columns Plugin
Jenkins Extra Columns Plugin 1.22 and earlier does not escape parameter values in the build parameters column.
This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission. Additionally, a view containing such a job needs to be configured with the build parameters column, or the attacker also needs View/Configure permission.
Jenkins Extra Columns Plugin 1.23 escapes parameter values in the build parameters column.
- Record
GHSA-wx66-pm7r-2q82- CVSS 3.1
- 5.4 Medium
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:extra-columnsMaven |
through 1.22 | 1.23 |
org.jenkins-ci.plugins:extra-columnsMaven |
before 1.23, plus listed versions 1.01.11.101.111.12 Show 18 moreShow less1.131.141.151.161.171.181.191.21.201.211.221.31.41.51.61.71.81.9 |
1.23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21630 is a medium vulnerability (CVSS 5.4) in Jenkins Extra Columns, published March 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 72.4%, the 99th percentile. Fixed in org.jenkins-ci.plugins:extra-columns 1.23.