CVE-2020-2221
Stored XSS vulnerability in Jenkins upstream cause
8.0
HIGH
CVSS 3.1
EPSS 0.52%
Description
Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape the upstream job's display name shown as part of a build cause, resulting in a stored cross-site scripting vulnerability. Jenkins 2.245, LTS 2.235.2 escapes the job display name.
How to fix CVE-2020-2221
To remediate CVE-2020-2221, upgrade the affected package to a fixed version below.
- —upgrade to 2.244.1 or later
- —upgrade to 2.235.2 or later
Is CVE-2020-2221 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.244.1
- from 0, < 2.235.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |