CVE-2020-10421 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. An attacker can exploit this issue by injecting malicious scripts or HTML via admin/manage-departments.php.

Understanding CVE-2020-10421

This CVE describes a security vulnerability in Chadha PHPKB Standard Multi-Language 9 that allows for Reflected XSS attacks.

What is CVE-2020-10421?

The vulnerability arises from the mishandling of URIs in the admin/header.php file, enabling attackers to execute arbitrary web scripts or HTML by appending a payload after a question mark (?).

The Impact of CVE-2020-10421

Exploitation of this vulnerability can lead to unauthorized access, data theft, and potential compromise of sensitive information stored within the affected system.

Technical Details of CVE-2020-10421

Chadha PHPKB Standard Multi-Language 9 is susceptible to the following:

Vulnerability Description

The vulnerability allows for Reflected XSS attacks by manipulating URIs in the admin/header.php file.

Affected Systems and Versions

Product: Chadha PHPKB Standard Multi-Language 9
Vendor: Not specified
Version: Not specified

Exploitation Mechanism

Attackers can inject malicious scripts or HTML by adding a question mark (?) followed by the payload in the admin/manage-departments.php page.

Mitigation and Prevention

To address CVE-2020-10421, consider the following steps:

Immediate Steps to Take

Implement input validation to sanitize user-supplied data.
Regularly monitor and audit web application logs for suspicious activities.

Long-Term Security Practices

Conduct security training for developers to raise awareness of secure coding practices.
Employ web application firewalls to filter and block malicious traffic.

Patching and Updates

Apply patches or updates provided by the software vendor to remediate the vulnerability and enhance system security.