CVE-2020-10418 : 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 payloads.

Understanding CVE-2020-10418

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

What is CVE-2020-10418?

The vulnerability in admin/header.php of Chadha PHPKB Standard Multi-Language 9 permits the injection of arbitrary web scripts or HTML via the addition of a question mark (?) followed by the malicious payload.

The Impact of CVE-2020-10418

This vulnerability can be exploited by attackers to execute malicious scripts in the context of an admin/manage-attachments.php page, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-10418

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

Vulnerability Description

The flaw allows attackers to inject malicious scripts or HTML by appending a question mark (?) and the payload in admin/manage-attachments.php.

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 (?) in the affected admin/manage-attachments.php page.

Mitigation and Prevention

To address CVE-2020-10418, follow these mitigation strategies:

Immediate Steps to Take

Implement input validation to sanitize user-supplied data
Regularly monitor and filter URI inputs for suspicious characters

Long-Term Security Practices

Conduct security training for developers on secure coding practices
Employ web application firewalls to detect and block XSS attacks

Patching and Updates

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