CVE-2020-10426 Explained : Impact and Mitigation

Chadha PHPKB Standard Multi-Language 9 is vulnerable to Reflected XSS through improper handling of URIs in admin/header.php.

Understanding CVE-2020-10426

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

What is CVE-2020-10426?

The vulnerability in admin/header.php of Chadha PHPKB Standard Multi-Language 9 permits the injection of arbitrary web scripts or HTML through URIs, specifically in admin/manage-groups.php.

The Impact of CVE-2020-10426

The vulnerability enables attackers to execute malicious scripts in the context of an admin session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-10426

Chadha PHPKB Standard Multi-Language 9 is susceptible to Reflected XSS due to improper URI handling.

Vulnerability Description

The flaw allows attackers to inject malicious scripts or HTML by appending a question mark (?) followed by the payload in the URI.

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 appended after a question mark (?), leading to the execution of unauthorized scripts.

Mitigation and Prevention

To address CVE-2020-10426, follow these steps:

Immediate Steps to Take

Implement input validation to sanitize user-supplied data
Regularly monitor and analyze URI requests for suspicious patterns

Long-Term Security Practices

Conduct security training for developers on secure coding practices
Employ web application firewalls to filter and block malicious requests

Patching and Updates

Apply patches or updates provided by Chadha to fix the URI handling vulnerability