CVE-2019-5310 : What You Need to Know

YUNUCMS version 1.1.8 has a cross-site scripting (XSS) vulnerability in the app/admin/controller/System.php file, allowing specially crafted data to be written to the sys.php file.

Understanding CVE-2019-5310

This CVE involves a specific XSS vulnerability in YUNUCMS version 1.1.8.

What is CVE-2019-5310?

The vulnerability in YUNUCMS version 1.1.8 allows malicious actors to inject crafted data into the sys.php file, potentially leading to XSS attacks.

The Impact of CVE-2019-5310

The XSS vulnerability in YUNUCMS version 1.1.8 can be exploited by attackers to execute malicious scripts in the context of an admin/system/basic POST request.

Technical Details of CVE-2019-5310

YUNUCMS version 1.1.8 is susceptible to XSS attacks due to improper handling of user-supplied data.

Vulnerability Description

The vulnerability arises from the site_title parameter in the admin/system/basic POST request, enabling attackers to write crafted data to the sys.php file.

Affected Systems and Versions

Product: YUNUCMS
Version: 1.1.8

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the site_title parameter of the admin/system/basic POST request.

Mitigation and Prevention

To address CVE-2019-5310, follow these mitigation steps:

Immediate Steps to Take

Update YUNUCMS to a patched version that addresses the XSS vulnerability.
Implement input validation mechanisms to sanitize user-supplied data.

Long-Term Security Practices

Regularly monitor and audit web applications for security vulnerabilities.
Educate developers on secure coding practices to prevent XSS attacks.

Patching and Updates

Apply security patches provided by YUNUCMS promptly to mitigate the XSS vulnerability.