CVE-2021-27332 : Vulnerability Insights and Analysis

A Cross-site scripting (XSS) vulnerability in SourceCodester CASAP Automated Enrollment System v1.0 allows remote attackers to inject arbitrary web script or HTML via the class_name parameter to update_class.php.

Understanding CVE-2021-27332

This CVE-2021-27332 vulnerability pertains to a specific version of the SourceCodester CASAP Automated Enrollment System that enables attackers to inject malicious scripts.

What is CVE-2021-27332?

CVE-2021-27332 is a Cross-site scripting (XSS) vulnerability in SourceCodester CASAP Automated Enrollment System v1.0, allowing attackers to execute malicious scripts through the class_name parameter in update_class.php.

The Impact of CVE-2021-27332

This vulnerability can be exploited by remote attackers to inject unauthorized scripts or content into web pages, potentially leading to various attacks like phishing or data theft.

Technical Details of CVE-2021-27332

This section covers the specifics of the vulnerability including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability is caused by inadequate input validation in the SourceCodester CASAP Automated Enrollment System v1.0, enabling attackers to inject malicious scripts via the class_name parameter in update_class.php.

Affected Systems and Versions

All instances of SourceCodester CASAP Automated Enrollment System v1.0 are affected by this vulnerability.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by manipulating the class_name parameter in the update_class.php file to inject malicious scripts or HTML content.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-27332, immediate steps, long-term security practices, and the importance of patching and updates are discussed.

Immediate Steps to Take

It is crucial to sanitize user inputs, validate data, and implement proper encoding to prevent XSS attacks. Additionally, monitoring and filtering user-generated content can help in detecting and blocking malicious scripts.

Long-Term Security Practices

Incorporating secure coding practices, conducting regular security audits, and educating developers and users on secure coding techniques can enhance the overall security posture of web applications.

Patching and Updates

Users are advised to apply security patches released by SourceCodester for the CASAP Automated Enrollment System and keep the system updated to prevent exploitation of known vulnerabilities.