CVE-2023-40346 Explained : Impact and Mitigation

A stored cross-site scripting (XSS) vulnerability has been identified in Jenkins Shortcut Job Plugin version 0.4 and earlier. This vulnerability allows attackers to exploit the plugin by configuring shortcut jobs.

Understanding CVE-2023-40346

Jenkins Shortcut Job Plugin version 0.4 and earlier are affected by a stored cross-site scripting (XSS) vulnerability due to improper handling of redirection URLs.

What is CVE-2023-40346?

CVE-2023-40346 is a vulnerability in Jenkins Shortcut Job Plugin versions 0.4 and earlier that enables attackers to execute malicious scripts by configuring shortcut jobs.

The Impact of CVE-2023-40346

The impact of this vulnerability is significant as it allows malicious actors to exploit the plugin to launch cross-site scripting attacks, potentially compromising the security and integrity of the affected systems.

Technical Details of CVE-2023-40346

This section provides more insights into the vulnerability details, affected systems, and exploitation mechanisms.

Vulnerability Description

The Jenkins Shortcut Job Plugin version 0.4 and earlier fail to properly escape shortcut redirection URLs, leading to a stored cross-site scripting vulnerability that can be exploited by attackers who can configure shortcut jobs.

Affected Systems and Versions

The affected system includes Jenkins Shortcut Job Plugin versions 0.4 and earlier. Users running these versions are at risk of exploitation through stored cross-site scripting attacks.

Exploitation Mechanism

Attackers with the ability to configure shortcut jobs within Jenkins can exploit this vulnerability by inserting malicious scripts into the redirection URLs, leading to the execution of arbitrary code.

Mitigation and Prevention

To address CVE-2023-40346, users and administrators are advised to take immediate action to secure their systems and prevent potential exploitation.

Immediate Steps to Take

Upgrade Jenkins Shortcut Job Plugin to a version where the vulnerability is patched.
Implement input validation mechanisms to sanitize user inputs and prevent the execution of malicious scripts.

Long-Term Security Practices

Regularly monitor security advisories and updates from Jenkins Project to stay informed about potential vulnerabilities.
Conduct security audits and code reviews to identify and address any security loopholes in plugins and applications.

Patching and Updates

Ensure that all systems running Jenkins Shortcut Job Plugin are updated to the latest patched versions to mitigate the risk of exploitation.