GitHub Advisoryadvisory · Maven
GHSA-wv63-gwr9-5c55 Stored XSS vulnerability in Jenkins button labels
MEDIUM
Official page ↗
- Aliases
- CVE-2021-21608
- Ecosystem
- Maven
- Packages
- org.jenkins-ci.main:jenkins-core
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
- Reviewed
- 2022-06-23
Affected packages
• Maven org.jenkins-ci.main:jenkins-core: < 2.275 → fixed in 2.275
• Maven org.jenkins-ci.main:jenkins-core: >= 2.263.2, < 2.275 → fixed in 2.275
Description
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI.
This results in a cross-site scripting vulnerability exploitable by attackers with the ability to control button labels. An example of buttons with a user-controlled label are the buttons of the Pipeline `input` step.
Jenkins 2.275, LTS 2.263.2 escapes button labels in the Jenkins UI.
Related
Alias · CVE (1)
- CVE-2021-21608 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… vulnerability
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness