CVE-2021-24152 : Vulnerability Insights and Analysis

This article provides an in-depth analysis of CVE-2021-24152, a vulnerability found in Popup Builder WordPress plugin.

Understanding CVE-2021-24152

This CVE identifies an authenticated reflected Cross-Site Scripting (XSS) vulnerability in Popup Builder versions prior to 3.74.

What is CVE-2021-24152?

The vulnerability exists in the "All Subscribers" setting page of Popup Builder, allowing attackers to execute malicious scripts in the context of an authenticated user.

The Impact of CVE-2021-24152

Exploitation of this vulnerability could lead to unauthorized access, data theft, or further attacks on users of the affected plugin.

Technical Details of CVE-2021-24152

This section outlines specific technical details of the CVE.

Vulnerability Description

The flaw in the "All Subscribers" setting page enables reflected Cross-Site Scripting attacks, posing a security risk to users.

Affected Systems and Versions

Popup Builder versions prior to 3.74 are vulnerable to this XSS issue, putting users at risk of exploitation.

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting and executing malicious scripts through specially crafted URLs.

Mitigation and Prevention

Protecting systems from CVE-2021-24152 involves immediate actions and long-term security practices.

Immediate Steps to Take

Users are advised to update Popup Builder to version 3.74 or newer to mitigate the risk of XSS attacks.

Long-Term Security Practices

Implement secure coding practices, perform regular security audits, and educate users on safe browsing habits to prevent future vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by the plugin vendor to address known vulnerabilities.