CVE-2021-28424 : Exploit Details and Defense Strategies

A stored cross-site scripting (XSS) vulnerability in Teachers Record Management System 1.0 allows remote authenticated users to inject arbitrary web script or HTML via the 'email' POST parameter in adminprofile.php.

Understanding CVE-2021-28424

This CVE involves a stored cross-site scripting (XSS) vulnerability that affects the Teachers Record Management System 1.0, enabling authenticated remote users to inject malicious web script or HTML code via the 'email' parameter in the 'adminprofile.php' file.

What is CVE-2021-28424?

CVE-2021-28424 is a security flaw that permits authenticated attackers to insert and execute malicious scripts or HTML code in the Teachers Record Management System 1.0 through a specific POST parameter, potentially leading to data theft, unauthorized access, or other malicious activities.

The Impact of CVE-2021-28424

This vulnerability can have severe consequences, allowing attackers to compromise user data, perform unauthorized actions, or carry out phishing attacks on users of the Teachers Record Management System 1.0. It can also lead to the exfiltration of sensitive information.

Technical Details of CVE-2021-28424

The technical details of CVE-2021-28424 are as follows:

Vulnerability Description

The vulnerability involves a stored cross-site scripting (XSS) issue in Teachers Record Management System 1.0 that arises from improper handling of user input. This flaw enables attackers to inject malicious scripts or HTML code into the system.

Affected Systems and Versions

Teachers Record Management System 1.0 is the specific version impacted by this vulnerability. Users of this version should take immediate action to mitigate the risk of exploitation.

Exploitation Mechanism

Remote authenticated attackers can exploit this vulnerability by submitting specially crafted input via the 'email' parameter in the 'adminprofile.php' file, allowing them to execute arbitrary scripts within the context of the user's session.

Mitigation and Prevention

To address CVE-2021-28424 and enhance the security posture of the Teachers Record Management System, the following steps are recommended:

Immediate Steps to Take

Implement input validation and output encoding mechanisms to prevent malicious script injection through user inputs.
Apply security patches provided by the vendor promptly to address the vulnerability in Teachers Record Management System 1.0.

Long-Term Security Practices

Regularly update and patch the software to protect against known vulnerabilities and security issues.
Educate users about safe computing practices, including avoiding suspicious links and emails.

Patching and Updates

Stay informed about security advisories and updates from the Teachers Record Management System vendor to deploy patches as soon as they are available.