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CVE-2023-0550 : What You Need to Know

Discover the impact of CVE-2023-0550 on WordPress sites. Learn how attackers can exploit the Quick Restaurant Menu plugin vulnerability to modify or delete posts.

This CVE-2023-0550 concerns the Quick Restaurant Menu plugin for WordPress, which is vulnerable to an Insecure Direct Object Reference. Attackers with subscriber-level access or higher can exploit this vulnerability in versions up to and including 2.0.2 to modify or delete arbitrary posts.

Understanding CVE-2023-0550

This section delves into the details and impact of CVE-2023-0550.

What is CVE-2023-0550?

CVE-2023-0550 refers to the vulnerability present in the Quick Restaurant Menu WordPress plugin that allows authenticated attackers to manipulate or remove arbitrary posts, due to a lack of validation during menu item deletion/modification.

The Impact of CVE-2023-0550

The impact of this vulnerability is considered high, with a base severity score of 7.6 out of 10. Attackers with limited access are able to exploit this flaw, compromising the integrity and confidentiality of the affected system.

Technical Details of CVE-2023-0550

In this section, we will discuss the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the lack of validation when processing AJAX actions related to menu item deletion/modification in the Quick Restaurant Menu plugin for WordPress.

Affected Systems and Versions

The vulnerability affects Quick Restaurant Menu plugin versions up to and including 2.0.2, with the insecure direct object reference allowing attackers to target arbitrary posts.

Exploitation Mechanism

Authenticated attackers with subscriber-level access or higher can exploit this vulnerability by leveraging the insecure direct object reference during menu item deletion/modification.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-0550, it is crucial to take immediate steps and implement long-term security practices to safeguard WordPress installations using the Quick Restaurant Menu plugin.

Immediate Steps to Take

Website administrators should update the Quick Restaurant Menu plugin to a secure version beyond 2.0.2 and monitor for any unauthorized post modifications or deletions.

Long-Term Security Practices

Employing the principle of least privilege, regular security audits, and access control measures can help prevent unauthorized access and manipulation of website content.

Patching and Updates

Staying informed about security patches and promptly applying updates for the Quick Restaurant Menu plugin can help address vulnerabilities and enhance the overall security posture of WordPress websites.

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