CVE-2021-24299 : Exploit Details and Defense Strategies

This article provides an overview of CVE-2021-24299, a vulnerability found in ReDi Restaurant Reservation plugin before version 21.0426.

Understanding CVE-2021-24299

CVE-2021-24299 is an Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability in the ReDi Restaurant Reservation WordPress plugin.

What is CVE-2021-24299?

The ReDi Restaurant Reservation plugin before 21.0426 allows unauthenticated users to inject malicious XSS payloads via the 'Comment' field in the form for making reservations. This can lead to the execution of unauthorized code when viewing the 'Upcoming' page.

The Impact of CVE-2021-24299

This vulnerability can be exploited by attackers to store harmful scripts within the plugin, which can then be executed in the context of other users visiting the 'Upcoming' page.

Technical Details of CVE-2021-24299

This section covers the specific technical aspects of the CVE.

Vulnerability Description

The flaw arises from the lack of proper input validation in the 'Comment' field, enabling attackers to inject XSS payloads.

Affected Systems and Versions

The vulnerability affects versions of the ReDi Restaurant Reservation plugin prior to 21.0426.

Exploitation Mechanism

Attackers can exploit this vulnerability by submitting malicious scripts in the 'Comment' field, compromising the security of the plugin users viewing the 'Upcoming' page.

Mitigation and Prevention

Discover how to protect your systems and prevent exploitation.

Immediate Steps to Take

Users are advised to update the ReDi Restaurant Reservation plugin to version 21.0426 or later to mitigate the risk of XSS attacks.

Long-Term Security Practices

Implement regular security audits and educate users on safe practices to prevent similar vulnerabilities in the future.

Patching and Updates

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