CVE-2021-24534 : Exploit Details and Defense Strategies

This article provides details about CVE-2021-24534, a vulnerability in the PhoneTrack Meu Site Manager WordPress plugin version 0.1 that allows for authenticated stored Cross-Site Scripting (XSS) attacks.

Understanding CVE-2021-24534

This section delves into the nature of the CVE-2021-24534 vulnerability in PhoneTrack Meu Site Manager.

What is CVE-2021-24534?

The PhoneTrack Meu Site Manager WordPress plugin version 0.1 fails to properly sanitize the "php_id" setting, potentially enabling stored XSS attacks.

The Impact of CVE-2021-24534

This vulnerability could be exploited by authenticated users to inject malicious scripts into web pages, leading to unauthorized access and data theft.

Technical Details of CVE-2021-24534

This section explores the technical aspects of the CVE-2021-24534 vulnerability.

Vulnerability Description

The flaw arises from the plugin's failure to sanitize user inputs, allowing attackers to execute arbitrary scripts in the context of the target site.

Affected Systems and Versions

PhoneTrack Meu Site Manager version 0.1 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

By manipulating the "php_id" setting, malicious actors with authenticated access can inject crafted scripts into the affected web pages.

Mitigation and Prevention

To protect systems from CVE-2021-24534, immediate action and long-term security measures are advised.

Immediate Steps to Take

Users should update the PhoneTrack Meu Site Manager plugin to a secure version and review access permissions to prevent unauthorized script injection.

Long-Term Security Practices

Implementing strict input validation and output encoding practices can mitigate XSS attacks in the long run.

Patching and Updates

Vendor-issued patches and regular updates are crucial for addressing security vulnerabilities and ensuring the safety of WordPress installations.