CVE-2021-42662 : Vulnerability Insights and Analysis

A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP/MySQL via the Holiday reason parameter. This vulnerability can lead to cookie stealing and more.

Understanding CVE-2021-42662

This CVE involves a security issue in the Sourcecodester Online Event Booking and Reservation System.

What is CVE-2021-42662?

CVE-2021-42662 is a Stored Cross Site Scripting (XSS) vulnerability that allows an attacker to execute malicious JavaScript commands on the web server through the Holiday reason parameter.

The Impact of CVE-2021-42662

The vulnerability can be exploited by attackers to run arbitrary JavaScript code on the server, potentially leading to cookie theft and other malicious activities.

Technical Details of CVE-2021-42662

This section provides specific technical details of the vulnerability.

Vulnerability Description

The vulnerability resides in the Sourcecodester Online Event Booking and Reservation System in PHP/MySQL, enabling attackers to execute JavaScript commands.

Affected Systems and Versions

Product: Sourcecodester Online Event Booking and Reservation System
Vendor: Sourcecodester
Affected Version: 1.0

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through the Holiday reason parameter, resulting in unauthorized execution of JavaScript commands.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks posed by CVE-2021-42662.

Immediate Steps to Take

Implement input validation to sanitize user inputs and prevent script injections.
Regularly monitor and update the system for any security patches or releases.
Educate users and administrators about the risks of XSS attacks and best practices for web application security.

Long-Term Security Practices

Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Follow secure coding practices to prevent common web application security issues.
Stay informed about the latest security threats and vulnerabilities to enhance overall security posture.

Patching and Updates

Ensure timely patching of the Sourcecodester Online Event Booking and Reservation System to address the XSS vulnerability and other potential security flaws.