CVE-2020-10451 Explained : Impact and Mitigation

Chadha PHPKB Standard Multi-Language 9 is vulnerable to Reflected Cross-Site Scripting (XSS) due to improper handling of URIs in admin/header.php, allowing attackers to inject malicious scripts or HTML into admin/report-user.php.

Understanding CVE-2020-10451

What is CVE-2020-10451?

The CVE-2020-10451 vulnerability in Chadha PHPKB Standard Multi-Language 9 enables attackers to execute Reflected XSS attacks by inserting a payload after a question mark (?) in the URI.

The Impact of CVE-2020-10451

This vulnerability can lead to unauthorized access, data theft, and the execution of arbitrary code on the affected system.

Technical Details of CVE-2020-10451

Vulnerability Description

The flaw in admin/header.php allows attackers to perform Reflected XSS attacks in admin/report-user.php by appending a payload after a question mark (?).

Affected Systems and Versions

Product: Chadha PHPKB Standard Multi-Language 9
Vendor: Chadha
Version: All versions are affected

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious URI with a payload after a question mark (?) to inject and execute arbitrary scripts or HTML.

Mitigation and Prevention

Immediate Steps to Take

Implement input validation to sanitize user-supplied data in URIs.
Regularly monitor and analyze web traffic for suspicious activities.
Apply security patches and updates provided by the vendor.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Educate users and administrators about the risks of XSS attacks and safe browsing practices.

Patching and Updates

Ensure timely installation of security patches and updates released by Chadha for PHPKB Standard Multi-Language 9.