CVE-2023-1743 : Security Advisory and Response

This article provides an in-depth analysis of CVE-2023-1743, a cross-site scripting vulnerability found in SourceCodester Grade Point Average GPA Calculator 1.0.

Understanding CVE-2023-1743

The vulnerability in question has been classified as problematic and affects an unknown part of the file index.php in SourceCodester Grade Point Average GPA Calculator 1.0. Exploiting this vulnerability allows for cross-site scripting by manipulating the argument page, enabling remote attacks. The vulnerability has been publicly disclosed, and its identifier is VDB-224631.

What is CVE-2023-1743?

CVE-2023-1743 is a cross-site scripting vulnerability found in SourceCodester Grade Point Average GPA Calculator 1.0, allowing attackers to execute malicious scripts on the victim's browser.

The Impact of CVE-2023-1743

This vulnerability poses a low severity risk with a CVSSv3 base score of 3.5. While the impact is categorized as low, the potential for remote attacks and script execution on users' browsers can lead to unauthorized access and data manipulation.

Technical Details of CVE-2023-1743

The following technical aspects provide a deeper understanding of the vulnerability:

Vulnerability Description

The vulnerability arises from an issue in handling user inputs, specifically in the page argument, leading to the execution of arbitrary scripts on the victim's browser.

Affected Systems and Versions

Vendor: SourceCodester
Product: Grade Point Average GPA Calculator
Version: 1.0 (affected)

Exploitation Mechanism

Attackers can manipulate the page argument with crafted data, initiating cross-site scripting attacks remotely through the network.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks associated with CVE-2023-1743.

Immediate Steps to Take

Update the SourceCodester Grade Point Average GPA Calculator to a patched version that addresses the vulnerability.
Verify and sanitize user inputs to prevent unauthorized script execution.
Monitor network traffic for suspicious activities that could indicate an ongoing attack.

Long-Term Security Practices

Implement secure coding practices to validate and sanitize user inputs effectively.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.
Educate developers and users on the risks of cross-site scripting and best practices to prevent such attacks.

Patching and Updates

Regularly check for updates from SourceCodester and apply patches promptly to ensure the system's security integrity. Regularly monitoring security advisories and CVE databases can help stay informed about emerging vulnerabilities and their solutions.

By following these recommendations, organizations and users can enhance their security posture and reduce the risks associated with CVE-2023-1743.