CVSS 3.1
5.4 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NCVE-2021-21611
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 2.263.2, 2.275.
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape display names and IDs of item types shown on the New Item page, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to specify display names or IDs of item types.
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-mj7q-cmf3-mg7h | Maven | org.jenkins-ci.main:jenkins-core | <2.263.2 | 2.263.2 |
| GHSA-mj7q-cmf3-mg7h | Maven | org.jenkins-ci.main:jenkins-core | >=2.264 <2.275 | 2.275 |