CVE-2021-21616
Stored XSS vulnerability in Jenkins Active Choices Plugin
Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, 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 Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
- Record
CVE-2021-21616- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/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 ListNo score
Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
- Record
CVE-2021-21616- Updated
- 2026-11-02
EUVDEUVD-2022-2364No score
Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
- Record
EUVD-2022-2364- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4f6x-g5vh-8jm5
Stored XSS vulnerability in Jenkins Active Choices Plugin
Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values.
This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Jenkins Active Choices Plugin 2.5.3 escapes reference parameter values.
- Record
GHSA-4f6x-g5vh-8jm5- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
- Record
CVE-2021-21616- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-4f6x-g5vh-8jm5
Stored XSS vulnerability in Jenkins Active Choices Plugin
Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values.
This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Jenkins Active Choices Plugin 2.5.3 escapes reference parameter values.
- Record
GHSA-4f6x-g5vh-8jm5- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.biouno:uno-choiceMaven | through 2.5.2 | 2.5.3 |
org.biouno:uno-choiceMaven | before 2.5.3, plus listed versions 1.01.11.21.31.4 Show 16 moreShow less1.5-alpha-11.5.01.5.11.5.21.5.31.5.3-alpha2.02.12.22.2.12.2.22.32.42.52.5.12.5.2 | 2.5.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2021-21616 is a medium vulnerability (CVSS 4.6) in Jenkins Active Choices, published February 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 76.2%, the 99th percentile. Fixed in org.biouno:uno-choice 2.5.3.