CVE-2017-16866 Explained : Impact and Mitigation

Dayrui FineCms version 5.2.0 released before November 16, 2017, is vulnerable to Cross Site Scripting (XSS) attacks due to a flaw in the core/M_Controller.php file.

Understanding CVE-2017-16866

This CVE identifies a specific vulnerability in Dayrui FineCms version 5.2.0 that can be exploited for XSS attacks.

What is CVE-2017-16866?

The version 5.2.0 of Dayrui FineCms, released before November 16, 2017, is susceptible to Cross Site Scripting (XSS) attacks. The vulnerability exists in the core/M_Controller.php file through manipulation of the DR_URI field.

The Impact of CVE-2017-16866

Attackers can execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2017-16866

Dayrui FineCms version 5.2.0 is affected by a specific vulnerability that allows for XSS attacks.

Vulnerability Description

The vulnerability in the core/M_Controller.php file enables attackers to inject and execute malicious scripts through manipulation of the DR_URI field.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating the DR_URI field in the core/M_Controller.php file to inject malicious scripts.

Mitigation and Prevention

To address CVE-2017-16866, consider the following steps:

Immediate Steps to Take

Update to a patched version of Dayrui FineCms that addresses the XSS vulnerability.
Implement input validation and output encoding to mitigate XSS risks.

Long-Term Security Practices

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

Patching and Updates

Apply security patches provided by Dayrui FineCms to fix the XSS vulnerability.