CVE-2021-21649
Cross-site Scripting in Jenkins Dashboard View Plugin
5.4
MEDIUM
CVSS 3.1
EPSS 0.19%
Description
Jenkins Dashboard View Plugin prior to 2.16 and 2.12.1 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. As part of this fix, the property for image URLs was changed from `url` to `imageUrl`. Existing [Configuration as Code](https://plugins.jenkins.io/configuration-as-code/) configurations are still supported, but exports will emit the new property.
How to fix CVE-2021-21649
To remediate CVE-2021-21649, upgrade the affected package to a fixed version below.
- —upgrade to 2.16 or later
Is CVE-2021-21649 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2.13, < 2.16
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |