CVE-2017-20033 : Security Advisory and Response

A problematic vulnerability has been discovered in PHPList 3.2.6, allowing for cross-site scripting attacks. Upgrading to version 3.3.1 is recommended to mitigate the risk.

Understanding CVE-2017-20033

This CVE involves a reflected cross-site scripting vulnerability in PHPList 3.2.6.

What is CVE-2017-20033?

CVE-2017-20033 is a vulnerability in PHPList 3.2.6 that allows remote attackers to execute cross-site scripting attacks by manipulating the 'page' argument.

The Impact of CVE-2017-20033

The vulnerability can lead to unauthorized access to sensitive information, potentially compromising the integrity of the affected system.

Technical Details of CVE-2017-20033

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability exists in an unidentified section of the file /lists/admin/ in PHPList 3.2.6, triggered by manipulating the 'page' argument with specific input.

Affected Systems and Versions

Product: PHPList
Version: 3.2.6

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
User Interaction: Required
Privileges Required: None
Impact: Cross-site Scripting (Reflected)

Mitigation and Prevention

Protect your system from CVE-2017-20033 with the following steps:

Immediate Steps to Take

Upgrade PHPList to version 3.3.1 to address the vulnerability.
Implement input validation to prevent malicious input manipulation.

Long-Term Security Practices

Regularly update software to the latest versions.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security patches and updates for PHPList.