Stored cross-site scripting in Jenkins and Jenkins LTS - CVE-2023-43495

 

Stored cross-site scripting in Jenkins and Jenkins LTS - CVE-2023-43495

Published: September 21, 2023


Vulnerability identifier: #VU80936
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2023-43495
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 the "caption" constructor parameter of ExpandableDetailsNote. A remote user 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
IBM Automation Decision Services
IBM Cloud Pak for Business Automation

How to mitigate CVE-2023-43495

Install updates from vendor's website.

Jenkins - update to 2.424
Jenkins LTS - update to 2.414.2
IBM Automation Decision Services - update to 23.0.1 IF005
IBM Cloud Pak for Business Automation - addressed in versions 21.0.3.27, 23.0.1.5

External References

Related Security Bulletins