CVE-2021-21603 — Cross-site Scripting in Project Jenkins

CWE-79 — Cross-site Scripting6 documents6 sources
Severity
5.4MEDIUMNVD
EPSS
0.3%
top 45.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Jenkins Project JenkinsJenkins
Timeline
PublishedJan 13
Latest updateMay 24

Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents, resulting in a cross-site scripting (XSS) vulnerability.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitability: 2.3 | Impact: 2.7

Affected Packages2 packages

▶NVDjenkins/jenkins2.263.1+1
▶CVEListV5jenkins_project/jenkinsunspecified — 2.274+1

🔴Vulnerability Details

3
OSV
XSS vulnerability in Jenkins notification bar↗2022-05-24
▶
GHSA
XSS vulnerability in Jenkins notification bar↗2022-05-24
▶
CVEList
CVE-2021-21603: Jenkins 2↗2021-01-13
▶

📋Vendor Advisories

2
Jenkins
Jenkins Security Advisory 2021-01-13↗2021-01-13
▶
Red Hat
jenkins: XSS vulnerability in notification bar↗2021-01-13
▶
CVE-2021-21603 — Cross-site Scripting | cvebase