Jenkins Cross-site Scripting vulnerability in project naming strategy

MEDIUM 5.4CVE-2020-2230 · BIT-jenkins-2020-2230 · GHSA-9g4m-ffx6-c29g · Published 12/08/2020 · updated 17/06/2026

Package	Affected versions	Patched versions
org.jenkins-ci.main:jenkins-core Maven	`≥ 2.236, < 2.252< 2.235.4`	`2.2522.235.4`
jenkins jenkins	`≤ 2.235.3≤ 2.251`	No fix yet

Description

Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the project naming strategy description, that is displayed on item creation.\n\nThis results in a stored cross-site scripting (XSS) vulnerability exploitable by users with Overall/Manage permission.\n\nJenkins 2.252, LTS 2.235.4 escapes the project naming strategy description.

NVD description

Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the project naming strategy description, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by users with Overall/Manage permission.

References

nvd.nist.gov/vuln/detail/CVE-2020-2230 · ADVISORY
jenkinsci/jenkins commit e49f690 · WEB
jenkinsci/jenkins · PACKAGE
jenkins.io/security/advisory/2020-08-12 · WEB
packetstormsecurity.com/files/160443/Jenkins-2.235.3-Cross-Site-Scripting.html · WEB
openwall.com/lists/oss-security/2020/08/12/4 · WEB

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