CVE-2023-3558 : Security Advisory and Response

This CVE, identified as CVE-2023-3558 and published by VulDB, pertains to a cross-site scripting vulnerability found in GZ Scripts Event Booking Calendar version 1.8. The vulnerability is classified as problematic and allows for remote attacks via manipulation of specific arguments in the file /load.php.

Understanding CVE-2023-3558

This section delves into the details of CVE-2023-3558, including its nature, impact, and affected systems.

What is CVE-2023-3558?

The vulnerability, labeled as CWE-79 (Cross Site Scripting), affects GZ Scripts Event Booking Calendar 1.8. By exploiting an unspecified function within the /load.php file and manipulating arguments like first_name, second_name, phone, address_1, and country with unknown data, an attacker can execute cross-site scripting attacks remotely.

The Impact of CVE-2023-3558

CVE-2023-3558 has a base severity level of LOW, with a CVSS v3.1 base score of 3.5. Although the impact is not severe, the potential for unauthorized access and data manipulation through cross-site scripting makes it a concerning vulnerability.

Technical Details of CVE-2023-3558

In this section, we will explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism of CVE-2023-3558.

Vulnerability Description

The vulnerability found in GZ Scripts Event Booking Calendar 1.8 allows for the execution of cross-site scripting attacks by manipulating specific arguments in the /load.php file. Despite attempts to notify the vendor regarding this issue, no response was received.

Affected Systems and Versions

GZ Scripts' Event Booking Calendar version 1.8 is the specific version impacted by CVE-2023-3558. Users utilizing this version are at risk of falling victim to cross-site scripting attacks.

Exploitation Mechanism

By leveraging the vulnerability in the /load.php file and manipulating various arguments within the application, threat actors can inject malicious scripts remotely, potentially compromising the security and integrity of the system.

Mitigation and Prevention

To safeguard systems from CVE-2023-3558 and similar vulnerabilities, certain steps can be taken to mitigate risks and enhance overall security.

Immediate Steps to Take

It is advisable to update to a patched version of GZ Scripts Event Booking Calendar or implement security measures to prevent cross-site scripting attacks. Regular monitoring and auditing of web applications can also help in detecting and addressing vulnerabilities promptly.

Long-Term Security Practices

Incorporating secure coding practices, conducting regular security assessments, and fostering a culture of cybersecurity awareness among developers and users can fortify defenses against cross-site scripting vulnerabilities in the long term.

Patching and Updates

Vendor-provided patches or upgrades should be promptly applied to eliminate the vulnerability and ensure that the system is protected against potential exploitation. Regularly checking for security updates and patches from software providers is essential to maintain a secure environment.