CVE-2022-34186 Explained : Impact and Mitigation

Jenkins Dynamic Extended Choice Parameter Plugin 1.0.1 and earlier versions are vulnerable to a stored cross-site scripting (XSS) issue due to improper input neutralization. Attackers with Item/Configure permission can exploit this vulnerability.

Understanding CVE-2022-34186

This CVE affects the Jenkins Dynamic Extended Choice Parameter Plugin, specifically version 1.0.1 and earlier.

What is CVE-2022-34186?

Jenkins Dynamic Extended Choice Parameter Plugin versions prior to 1.0.1 do not properly escape the name and description of Moded Extended Choice parameters on views displaying parameters. This leads to a stored cross-site scripting (XSS) vulnerability.

The Impact of CVE-2022-34186

The vulnerability is exploitable by attackers with Item/Configure permission, allowing them to execute malicious scripts via cross-site scripting (XSS) attacks.

Technical Details of CVE-2022-34186

Vulnerability Description

The issue arises from the lack of proper input neutralization for Moded Extended Choice parameters, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Product: Jenkins Dynamic Extended Choice Parameter Plugin
Vendor: Jenkins project
Versions Affected: <= 1.0.1

Exploitation Mechanism

Attackers with Item/Configure permission can exploit this vulnerability by injecting malicious scripts into the name and description fields of Moded Extended Choice parameters.

Mitigation and Prevention

To address CVE-2022-34186, users and administrators should take immediate action to secure their systems and prevent potential exploitation.

Immediate Steps to Take

Upgrade to a patched version of Jenkins Dynamic Extended Choice Parameter Plugin beyond 1.0.1.
Implement proper input validation mechanisms.

Long-Term Security Practices

Regularly monitor for security advisories and updates regarding Jenkins plugins.
Follow best practices for secure coding and input sanitation.

Patching and Updates

Ensure timely installation of security patches and updates for Jenkins Dynamic Extended Choice Parameter Plugin to mitigate the risk of XSS attacks.