CVE-2021-26303 : Security Advisory and Response

This article provides detailed information about CVE-2021-26303, a vulnerability found in PHPGurukul Daily Expense Tracker System 1.0 that allows for stored XSS via the user-profile.php Full Name field.

Understanding CVE-2021-26303

In this section, we will explore what CVE-2021-26303 is and its impact, along with the technical details, affected systems, exploitation mechanism, and mitigation strategies.

What is CVE-2021-26303?

The vulnerability in PHPGurukul Daily Expense Tracker System 1.0 enables attackers to execute stored cross-site scripting attacks by manipulating the Full Name field in the user-profile.php page.

The Impact of CVE-2021-26303

Exploiting this vulnerability can lead to unauthorized access to sensitive user data, manipulation of user settings, and potential injection of malicious scripts into the application.

Technical Details of CVE-2021-26303

Let's delve into the specifics of the vulnerability, including its description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

PHPGurukul Daily Expense Tracker System 1.0 is susceptible to stored XSS attacks due to improper input validation in the user-profile.php Full Name field.

Affected Systems and Versions

The affected version of the system is 1.0, leaving all instances of this version vulnerable to exploitation.

Exploitation Mechanism

By injecting malicious scripts into the Full Name field via the user profile, attackers can store and execute harmful code within the application.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2021-26303 and safeguard your systems from potential attacks.

Immediate Steps to Take

Users are advised to update to a patched version of the PHPGurukul Daily Expense Tracker System, if available, or consider alternative security measures to protect against stored XSS attacks.

Long-Term Security Practices

Implement strict input validation mechanisms, conduct routine security audits, and educate users on safe browsing practices to enhance overall system security.

Patching and Updates

Stay informed about security patches and updates released by the vendor to address vulnerabilities promptly and maintain the integrity of your systems.