CVE-2022-0694 : Exploit Details and Defense Strategies

The Advanced Booking Calendar WordPress plugin before version 1.7.0 is vulnerable to an unauthenticated SQL injection due to improper validation of the calendar parameter.

Understanding CVE-2022-0694

This CVE refers to a security vulnerability in the Advanced Booking Calendar WordPress plugin that allows unauthenticated users to perform SQL injection attacks.

What is CVE-2022-0694?

The Advanced Booking Calendar plugin before version 1.7.0 fails to properly validate and sanitize user input in the calendar parameter, opening the door for SQL injection attacks via the abc_booking_getSingleCalendar AJAX action.

The Impact of CVE-2022-0694

This vulnerability enables attackers to inject malicious SQL queries into the database, potentially leading to data leakage, modification, or unauthorized access.

Technical Details of CVE-2022-0694

The following technical details outline the specifics of the vulnerability:

Vulnerability Description

The issue arises from the lack of validation and escape mechanisms for the calendar parameter, allowing attackers to inject arbitrary SQL code.

Affected Systems and Versions

Advanced Booking Calendar versions prior to 1.7.0 are affected by this vulnerability.

Exploitation Mechanism

Malicious actors can exploit this issue by sending crafted requests containing SQL injection payloads to the abc_booking_getSingleCalendar AJAX action.

Mitigation and Prevention

To address CVE-2022-0694, consider the following mitigation strategies:

Immediate Steps to Take

Update the Advanced Booking Calendar plugin to version 1.7.0 or later to eliminate the vulnerability.
Monitor web server logs for any suspicious activity indicative of SQL injection attempts.

Long-Term Security Practices

Regularly audit and review third-party plugins for security flaws.
Implement input validation and parameterized queries in web applications to prevent SQL injection attacks.

Patching and Updates

Stay informed about security patches and updates released by plugin developers to address known vulnerabilities and enhance the overall security posture.