CVE-2021-36847 : Vulnerability Insights and Analysis

A detailed overview of Authenticated Stored Cross-Site Scripting (XSS) vulnerability in the WordPress Webba Booking plugin version <= 4.2.21.

Understanding CVE-2021-36847

This section provides insights into the impact, technical details, and mitigation steps related to the vulnerability.

What is CVE-2021-36847?

CVE-2021-36847 refers to an Authenticated Stored Cross-Site Scripting (XSS) vulnerability identified in the Webba Booking plugin for WordPress versions up to 4.2.21. The exploit requires admin-level access to be leveraged.

The Impact of CVE-2021-36847

The vulnerability poses a medium risk with a CVSS v3.1 base score of 4.8. It enables an attacker to inject malicious scripts into web pages viewed by users, potentially leading to compromised data or unauthorized actions on the affected WordPress site.

Technical Details of CVE-2021-36847

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue involves an Authenticated Stored Cross-Site Scripting (XSS) flaw in the Webba Booking plugin for WordPress, allowing attackers with admin privileges to execute malicious scripts.

Affected Systems and Versions

Webba Booking plugin versions up to 4.2.21 are impacted by this XSS vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by authenticated attackers with admin-level access to the plugin to inject and execute malicious scripts within the WordPress environment.

Mitigation and Prevention

Explore the necessary steps to address and prevent the CVE-2021-36847 vulnerability.

Immediate Steps to Take

Users should update their Webba Booking plugin to version 4.2.22 or a higher release to mitigate the risk of exploitation.

Long-Term Security Practices

Adopting secure coding practices, monitoring for suspicious activities, and educating users on the importance of regular updates are vital for safeguarding against such vulnerabilities.

Patching and Updates

Regularly applying security patches and staying informed about security recommendations is crucial for maintaining a secure WordPress environment.