CVE-2020-19825 : What You Need to Know

Cross Site Scripting (XSS) vulnerability in kevinpapst kimai2 1.30.0 allows attackers to gain escalated privileges.

Understanding CVE-2020-19825

This CVE involves a Cross Site Scripting (XSS) vulnerability in kevinpapst kimai2 1.30.0, potentially leading to privilege escalation.

What is CVE-2020-19825?

CVE-2020-19825 is a security vulnerability in kevinpapst kimai2 1.30.0 that enables attackers to execute malicious scripts on web pages viewed by other users.

The Impact of CVE-2020-19825

The vulnerability can result in attackers gaining escalated privileges, potentially compromising the confidentiality and integrity of the affected system.

Technical Details of CVE-2020-19825

Vulnerability Description

The XSS vulnerability in kevinpapst kimai2 1.30.0, specifically in /src/Twig/Runtime/MarkdownExtension.php, allows attackers to inject and execute malicious scripts.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions are affected

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the MarkdownExtension.php file, leading to the execution of unauthorized actions.

Mitigation and Prevention

Immediate Steps to Take

Disable Markdown rendering in kimai2 settings to prevent script execution
Regularly monitor and review user-generated content for suspicious scripts

Long-Term Security Practices

Implement input validation and output encoding to mitigate XSS vulnerabilities
Educate developers and users on secure coding practices to prevent similar issues

Patching and Updates

Apply patches and updates provided by kevinpapst kimai2 to address the XSS vulnerability