CVE-2021-24616 Explained : Impact and Mitigation

A detailed overview of the AddToAny Share Buttons WordPress plugin vulnerability that allows for stored Cross-Site Scripting attacks.

Understanding CVE-2021-24616

This CVE highlights a security vulnerability in the AddToAny Share Buttons WordPress plugin that could be exploited for Cross-Site Scripting attacks.

What is CVE-2021-24616?

The AddToAny Share Buttons WordPress plugin before version 1.7.48 is susceptible to stored Cross-Site Scripting due to improper handling of the Image URL button setting.

The Impact of CVE-2021-24616

The vulnerability could enable high privilege users to execute malicious scripts, leading to unauthorized actions and potential data theft.

Technical Details of CVE-2021-24616

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw originates from the plugin's failure to properly escape the Image URL button setting, allowing attackers to inject and execute scripts.

Affected Systems and Versions

Versions of the plugin prior to 1.7.48 are affected by this vulnerability, leaving websites using these versions at risk.

Exploitation Mechanism

Attackers with high privilege levels can exploit the vulnerability to inject malicious scripts through the Image URL button setting.

Mitigation and Prevention

Learn how to protect your website from CVE-2021-24616.

Immediate Steps to Take

Update the AddToAny Share Buttons plugin to version 1.7.48 or newer to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly monitor and update plugins to ensure vulnerabilities are promptly addressed, reducing the attack surface.

Patching and Updates

Stay informed about security patches and updates for all plugins to maintain a secure WordPress environment.