CVE-2021-21635 json
Stored XSS vulnerability in Jenkins REST List Parameter Plugin
published 2021-03-30 5 y ago modified 2026-06-17 4 mo ago also GHSA-x3m6-vcp7-98mr , EUVD-2022-5701
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 8.8%
- EPSS 8.8% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
Jenkins REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name reference in embedded JavaScript, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Patch / fix
- maven io.jenkins.plugins:rest-list-parameter 1.3.1
Exploit prediction
8.76% chance of exploitation in the next 30 days, higher than 95% 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 | io.jenkins.plugins:rest-list-parameter | <1.3.1 |
1.3.1 |
Affected products
- Jenkins project Jenkins REST List Parameter Plugin
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/jenkinsci/rest-list-parameter-plugin/commit/ff4bb2b44eb05b35bfb68a3a63ac7c5e72cb96b6
web
-
jenkins.io
/security/advisory/2021-03-30/#SECURITY-2261
web, vendor-advisory
-
openwall.com
/lists/oss-security/2021/03/30/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-21635
advisory
-
github.com
/jenkinsci/rest-list-parameter-plugin
package
Sources
- CVE List CVE-2021-21635
- GitHub Advisory GHSA-x3m6-vcp7-98mr
- NVD CVE-2021-21635
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