CVE-2021-21684

CWE-116CWE-79 — Cross-site Scripting (XSS)6 documents6 sources
Severity
6.1MEDIUM
EPSS
0.6%
top 30.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Jenkins Project Jenkins GIT PluginJenkins GIT
Timeline
PublishedOct 6
Latest updateMay 24

Description

Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages3 packages

▶CVEListV5jenkins_project/jenkins_git_pluginunspecified — 4.8.2
▶NVDjenkins/git4.8.2

🔴Vulnerability Details

3
OSV
Stored XSS vulnerability in Jenkins Git Plugin↗2022-05-24
▶
GHSA
Stored XSS vulnerability in Jenkins Git Plugin↗2022-05-24
▶
CVEList
CVE-2021-21684: Jenkins Git Plugin 4↗2021-10-06
▶

📋Vendor Advisories

2
Red Hat
jenkins-2-plugins/git: stored XSS vulnerability↗2021-10-06
▶
Jenkins
Jenkins Security Advisory 2021-10-06↗2021-10-06
▶
CVE-2021-21684 (MEDIUM CVSS 6.1) | Jenkins Git Plugin 4.8.2 and earlie | cvebase.io