GHSA-7f84-p6r5-jr6q
Cross-site Scripting vulnerability in Jenkins
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | >= 2.350, < 2.356 | 2.356 |
| Maven | org.jenkins-ci.main:jenkins-core | >= 2.346, < 2.346.1 | 2.346.1 |
| Maven | org.jenkins-ci.main:jenkins-core | < 2.332.4 | 2.332.4 |
Details
As written in the advisory (Markdown source, shown as plain text).
Since Jenkins 2.321 and LTS 2.332.1, the HTML output generated for new symbol-based SVG icons includes the `title` attribute of `l:ionicon` until Jenkins 2.334 and `alt` attribute of `l:icon` since Jenkins 2.335 without further escaping.
This vulnerability is known to be exploitable by attackers with Job/Configure permission.
Jenkins 2.356, LTS 2.332.4 and LTS 2.346.1 addresses this vulnerability, the `title` attribute of `l:ionicon` (Jenkins LTS 2.332.4) and `alt` attribute of `l:icon` (Jenkins 2.356 and LTS 2.346.1) are escaped in the generated HTML output.
References
External links from the advisory. They lead to third-party sites.