CVE-2019-20221 Explained : Impact and Mitigation

Support Incident Tracker (SiT!) 3.67 is vulnerable to cross-site scripting (XSS) attacks through the Load Plugins input in the config.php page, allowing malicious payloads to execute, as demonstrated on the about.php page.

Understanding CVE-2019-20221

This CVE identifies a security vulnerability in SiT! 3.67 that enables XSS attacks.

What is CVE-2019-20221?

CVE-2019-20221 highlights a cross-site scripting vulnerability in SiT! 3.67, specifically in the Load Plugins input within the config.php page.

The Impact of CVE-2019-20221

The XSS vulnerability in SiT! 3.67 can be exploited by attackers to execute malicious scripts, potentially leading to unauthorized access, data theft, or other security breaches.

Technical Details of CVE-2019-20221

SiT! 3.67's vulnerability to XSS attacks is a critical security concern.

Vulnerability Description

The issue lies in the Load Plugins input field in the config.php page, allowing attackers to inject and execute malicious scripts.

Affected Systems and Versions

Product: Support Incident Tracker (SiT!)
Version: 3.67

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting crafted XSS payloads into the Load Plugins input, which are then executed when the about.php page is accessed.

Mitigation and Prevention

Protecting systems from CVE-2019-20221 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable or restrict access to the Load Plugins input field in the config.php page.
Implement input validation to sanitize user inputs and prevent XSS attacks.

Long-Term Security Practices

Regularly update SiT! to the latest version to patch known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential security weaknesses.

Patching and Updates

Apply security patches provided by SiT! promptly to mitigate the XSS vulnerability and enhance overall system security.