CVE-2020-2248 : Security Advisory and Response

Jenkins JSGames Plugin 0.2 and earlier versions are affected by a reflected cross-site scripting (XSS) vulnerability.

Understanding CVE-2020-2248

Jenkins JSGames Plugin is susceptible to a security issue that allows malicious actors to execute XSS attacks.

What is CVE-2020-2248?

This CVE identifies a vulnerability in Jenkins JSGames Plugin versions 0.2 and earlier, where a portion of a URL is treated as code, leading to XSS exploitation.

The Impact of CVE-2020-2248

The vulnerability can be exploited by attackers to inject malicious scripts into web pages viewed by users, potentially compromising sensitive data or performing unauthorized actions.

Technical Details of CVE-2020-2248

Jenkins JSGames Plugin's vulnerability is described below.

Vulnerability Description

The issue arises from the plugin incorrectly interpreting parts of URLs as executable code, enabling XSS attacks.

Affected Systems and Versions

Product: Jenkins JSGames Plugin
Vendor: Jenkins project
Versions Affected: 0.2 and earlier

Exploitation Mechanism

Attackers can craft URLs containing malicious scripts, which, when clicked by users, get executed within the context of the affected web application.

Mitigation and Prevention

Protect your systems from CVE-2020-2248 with the following measures.

Immediate Steps to Take

Update Jenkins JSGames Plugin to a secure version that addresses the XSS vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.

Long-Term Security Practices

Regularly monitor and audit plugins and extensions for security flaws.
Educate users on safe browsing practices to minimize the risk of XSS attacks.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by Jenkins project to mitigate known vulnerabilities.