CVE-2023-2415 : What You Need to Know

This CVE-2023-2415 was assigned by Wordfence and published on June 3, 2023. It pertains to a vulnerability found in the Online Booking & Scheduling Calendar for WordPress by vcita plugin, affecting versions up to and including 4.2.10. The vulnerability could allow unauthorized modification of data, leading to denial of service by allowing authenticated attackers with minimal permissions to logout of a connected account.

Understanding CVE-2023-2415

This section will delve into the details of CVE-2023-2415, including the vulnerability description, impact, affected systems, exploitation mechanism, and mitigation steps.

What is CVE-2023-2415?

CVE-2023-2415 is a vulnerability in the vcita plugin for WordPress, allowing unauthorized data modification by attackers with minimal permissions, potentially resulting in a denial of service on the appointment scheduler.

The Impact of CVE-2023-2415

The impact of this vulnerability lies in the potential for authenticated attackers to perform actions that could disrupt the scheduling functionality, leading to service interruption for users of the vcita plugin.

Technical Details of CVE-2023-2415

In this section, we will explore the technical aspects of CVE-2023-2415, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the vcita plugin for WordPress arises from a missing capability check on the

vcita_logout_callback

function in versions up to 4.2.10. This oversight enables authenticated attackers with minimal permissions to force logout of a connected account, causing a denial of service.

Affected Systems and Versions

The vulnerability impacts the Online Booking & Scheduling Calendar for WordPress by vcita plugin, specifically affecting versions up to and including 4.2.10.

Exploitation Mechanism

Exploiting this vulnerability requires minimal permissions as an authenticated attacker. By manipulating the vcita_logout_callback function, attackers can trigger a logout of a connected account, leading to service disruption on the appointment scheduler.

Mitigation and Prevention

To address CVE-2023-2415, users are advised to take immediate steps to mitigate the impact of the vulnerability and implement long-term security practices.

Immediate Steps to Take

Update the vcita plugin to a version beyond 4.2.10 to patch the vulnerability and prevent unauthorized data modification.
Monitor for any unusual activity on the appointment scheduler to detect potential exploitation attempts.

Long-Term Security Practices

Regularly update plugins and software to ensure that known vulnerabilities are addressed promptly.
Enforce strong access controls and permissions to limit the impact of potential attacker actions within the WordPress environment.

Patching and Updates

Stay informed about security advisories related to the vcita plugin and promptly apply patches and updates provided by the vendor to mitigate security risks and protect the integrity of the scheduling functionality.