CVE-2021-21699
Stored XSS vulnerability in Jenkins Active Choices Plugin
5.4
MEDIUM
CVSS 3.1
EPSS 0.24%
Description
Jenkins Active Choices Plugin 2.5.6 and earlier does not escape the parameter name of reactive parameters and dynamic reference parameters. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission. Jenkins Active Choices Plugin 2.5.7 escapes references to parameter names.
How to fix CVE-2021-21699
To remediate CVE-2021-21699, upgrade the affected package to a fixed version below.
- —upgrade to 2.5.7 or later
Is CVE-2021-21699 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.5.7
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 |