CVE-2021-21667
Stored XSS vulnerability in Jenkins Scriptler Plugin
5.4
MEDIUM
CVSS 3.1
EPSS 0.24%
Description
Jenkins Scriptler Plugin 3.2 and earlier does not escape parameter names shown in job configuration forms. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission. Jenkins Scriptler Plugin 3.3 escapes parameter names shown in job configuration forms.
How to fix CVE-2021-21667
To remediate CVE-2021-21667, upgrade the affected package to a fixed version below.
- —upgrade to 3.3 or later
Is CVE-2021-21667 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.3
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 |