CVE-2020-18446 Explained : Impact and Mitigation

A Cross Site Scripting (XSS) vulnerability in YUNUCMS 1.1.9 allows attackers to exploit the 'param' parameter in the insertContent function in ContentModel.php.

Understanding CVE-2020-18446

This CVE identifies a specific XSS vulnerability in YUNUCMS 1.1.9.

What is CVE-2020-18446?

The CVE-2020-18446 is a Cross Site Scripting (XSS) vulnerability found in YUNUCMS 1.1.9 through the 'param' parameter in the insertContent function in ContentModel.php.

The Impact of CVE-2020-18446

This vulnerability can be exploited by attackers to execute malicious scripts on the victim's browser, potentially leading to unauthorized access, data theft, or other harmful activities.

Technical Details of CVE-2020-18446

This section provides technical details of the vulnerability.

Vulnerability Description

The XSS vulnerability in YUNUCMS 1.1.9 allows attackers to inject and execute malicious scripts via the 'param' parameter in the insertContent function in ContentModel.php.

Affected Systems and Versions

Affected Version: YUNUCMS 1.1.9
Other versions may also be affected if they use the same vulnerable code.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the 'param' parameter, which are then executed when the insertContent function is called.

Mitigation and Prevention

Protecting systems from CVE-2020-18446 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update YUNUCMS to the latest version to patch the vulnerability.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Regularly scan and test web applications for vulnerabilities like XSS.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Apply security patches provided by the YUNUCMS developers promptly.