jenkinsci/jenkins · Security
XSS vulnerability in Jenkins notification bar
- GHSA ID
- GHSA-98gq-6hxg-52r6
- CVE ID
- CVE-2021-21603
- Severity
- medium
- Published
- Updated
- CVSS
- 5.4 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CVSS v3
- 5.4 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Description
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents (typically shown after form submissions via Apply button).
This results in a cross-site scripting (XSS) vulnerability exploitable by attackers able to influence notification bar contents.
Jenkins 2.275, LTS 2.263.2 escapes the content shown in notification bars.
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')