CVE-2020-10393 : Security Advisory and Response

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.

Understanding CVE-2020-10393

What is CVE-2020-10393?

The vulnerability in Chadha PHPKB Standard Multi-Language 9 enables attackers to execute Reflected XSS by appending a payload after a question mark (?) in admin/add-field.php.

The Impact of CVE-2020-10393

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

Technical Details of CVE-2020-10393

Vulnerability Description

The flaw arises from the mishandling of URIs in admin/header.php, allowing malicious scripts to be injected via the admin/add-field.php page.

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 inserting a payload after a question mark (?) in the URI of the admin/add-field.php page.

Mitigation and Prevention

Immediate Steps to Take

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

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate developers and administrators on secure coding practices to prevent XSS attacks.

Patching and Updates

Apply patches or updates provided by the vendor to fix the XSS vulnerability in Chadha PHPKB Standard Multi-Language 9.