CVSS 3.1
5.4 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NCVE-2021-21608
Medium (5.4) in jenkins jenkins. EPSS 1.0% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.275.
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to control button labels.
Severity
- EPSS
- 1.0% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- jenkins:jenkins
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-wv63-gwr9-5c55 | Maven | org.jenkins-ci.main:jenkins-core | <2.275 | 2.275 |
| GHSA-wv63-gwr9-5c55 | Maven | org.jenkins-ci.main:jenkins-core | >=2.263.2 <2.275 | 2.275 |