CVE-2023-2103 : Security Advisory and Response

This CVE record pertains to a Cross-site Scripting (XSS) vulnerability stored in the GitHub repository alextselegidis/easyappointments prior to version 1.5.0.

Understanding CVE-2023-2103

This section delves into the details of CVE-2023-2103.

What is CVE-2023-2103?

CVE-2023-2103 is a Cross-site Scripting (XSS) vulnerability found in the GitHub repository alextselegidis/easyappointments before version 1.5.0. This vulnerability could be exploited by attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-2103

The impact of this vulnerability is rated as MEDIUM with a base score of 4.3 according to the CVSSv3.0 scoring system. The confidentiality, integrity, and availability of affected systems could be compromised if exploited.

Technical Details of CVE-2023-2103

This section provides technical insights into CVE-2023-2103.

Vulnerability Description

The vulnerability in alextselegidis/easyappointments prior to version 1.5.0 allows for the improper neutralization of input during web page generation, leading to Cross-site Scripting (XSS) attacks.

Affected Systems and Versions

The vulnerability affects the vendor alextselegidis's product alextselegidis/easyappointments with versions earlier than 1.5.0.

Exploitation Mechanism

Attackers with high privileges can exploit this vulnerability by injecting malicious scripts through the web application, potentially impacting users interacting with the affected web pages.

Mitigation and Prevention

In light of CVE-2023-2103, it is crucial to take immediate action to mitigate the risks associated with this vulnerability.

Immediate Steps to Take

Users are advised to update their alextselegidis/easyappointments installations to version 1.5.0 or newer to prevent exploitation of this XSS vulnerability. Additionally, input validation mechanisms should be implemented to sanitize user inputs effectively.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and providing security awareness training to developers can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor for security updates and patches released by the vendor to address known vulnerabilities promptly. Stay informed about security best practices to enhance the overall security posture of web applications.