CVE-2021-21649 json
Cross-site Scripting in Jenkins Dashboard View Plugin
published 2021-05-11 5 y ago modified 2026-06-17 4 mo ago also GHSA-jwhm-9cjm-4493 , EUVD-2021-1350
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 72.7%
- EPSS 72.7% chance of exploitation in 30 days, percentile 99.4%
- public exploits
- 0
- none known
Summary
Jenkins Dashboard View Plugin 2.15 and earlier does not escape URLs referenced in Image Dashboard Portlets, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with View/Configure permission.
Patch / fix
- maven org.jenkins-ci.plugins:dashboard-view 2.12.1, 2.16
- Jenkins project Jenkins Dashboard View Plugin 2.12.1
Exploit prediction
72.68% 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:dashboard-view | >=2.13, <2.16 <2.12.1 |
2.16 2.12.1 |
Affected products
- Jenkins project Jenkins Dashboard View Plugin
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/jenkinsci/dashboard-view-plugin/commit/586817b081d903e47cfdd05b96b8aae1d2c2700b
web
-
jenkins.io
/security/advisory/2021-05-11/#SECURITY-2233
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-21649
advisory
-
github.com
/CVEProject/cvelist/blob/2d78eb36f4d084db7fb35f1535d8d84fdcb7d859/2021/21xxx/CVE-2021-21649.json
web
-
github.com
/jenkinsci/dashboard-view-plugin
package
Sources
- CVE List CVE-2021-21649
- GitHub Advisory GHSA-jwhm-9cjm-4493
- NVD CVE-2021-21649
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