CVE-2020-10403 : Security Advisory and Response
Learn about CVE-2020-10403, a vulnerability in Chadha PHPKB Standard Multi-Language 9 allowing Reflected XSS attacks via URIs. Find mitigation steps and best practices here.
Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS in admin/edit-comment.php through manipulation of URIs.
Understanding CVE-2020-10403
What is CVE-2020-10403?
The vulnerability in Chadha PHPKB Standard Multi-Language 9 enables attackers to inject malicious web scripts or HTML via URIs.
The Impact of CVE-2020-10403
The flaw allows for Reflected XSS attacks, potentially leading to unauthorized access, data theft, or further exploitation of the system.
Technical Details of CVE-2020-10403
Vulnerability Description
The issue arises from how URIs are processed in admin/header.php, permitting the insertion of harmful payloads in admin/edit-comment.php.
Affected Systems and Versions
- Product: Chadha PHPKB Standard Multi-Language 9
- Version: Not specified
Exploitation Mechanism
Attackers can exploit the vulnerability by appending a question mark (?) followed by the malicious payload in the URI.
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation to sanitize user-supplied data.
- Regularly monitor and analyze web traffic for suspicious activities.
Long-Term Security Practices
- Conduct regular security audits and penetration testing.
- Educate developers on secure coding practices to prevent XSS vulnerabilities.
Patching and Updates
Apply security patches and updates provided by the software vendor to address the vulnerability.