Stored cross-site scripting in Jenkins and Jenkins LTS - CVE-2023-27898

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Main Vulnerability Database Vulnerabilities #VU73187

Stored cross-site scripting in Jenkins and Jenkins LTS - CVE-2023-27898

Published: March 9, 2023


Vulnerability identifier: #VU73187
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2023-27898
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in plugin manager. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

Jenkins
Jenkins LTS
Multicluster Engine for Kubernetes
Red Hat OpenShift Container Platform
toolbox (Red Hat package)
cri-o (Red Hat package)
haproxy (Red Hat package)
jenkins (Red Hat package)
openshift (Red Hat package)
openshift-clients (Red Hat package)
jenkins-2-plugins (Red Hat package)
kernel (Red Hat package)
kernel-rt (Red Hat package)

How to mitigate CVE-2023-27898

Install updates from vendor's website.

Jenkins - update to 2.394
Jenkins LTS - addressed in versions 2.375.4, 2.387.1
Multicluster Engine for Kubernetes - update to 2.2.4
Red Hat OpenShift Container Platform - update to 4.10.56
toolbox (Red Hat package) - update to 0.0.9-1.rhaos4.10.el8
cri-o (Red Hat package) - addressed in versions 1.23.5-8.rhaos4.10.gitcc8441d.el7, 1.23.5-8.rhaos4.10.gitcc8441d.el8
haproxy (Red Hat package) - update to 2.2.19-4.el8
jenkins (Red Hat package) - addressed in versions 2.387.1.1680701869-1.el8, 2.401.1.1686831596-3.el8
openshift (Red Hat package) - addressed in versions 4.10.0-202303221742.p0.g16bcd69.assembly.stream.el7, 4.10.0-202303221742.p0.g16bcd69.assembly.stream.el8
openshift-clients (Red Hat package) - addressed in versions 4.10.0-202304032041.p0.g3a7500d.assembly.stream.el7, 4.10.0-202304032041.p0.g3a7500d.assembly.stream.el8
jenkins-2-plugins (Red Hat package) - addressed in versions 4.10.1680703106-1.el8, 4.11.1686831822-1.el8
kernel (Red Hat package) - update to 4.18.0-305.85.1.el8_4
kernel-rt (Red Hat package) - update to 4.18.0-305.85.1.rt7.157.el8_4

External References

Related Security Bulletins