CVE-2023-40560 : What You Need to Know

WordPress Schedule Posts Calendar Plugin <= 5.2 is vulnerable to Cross Site Scripting (XSS).

Understanding CVE-2023-40560

This CVE identifies an authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in the Greg Ross Schedule Posts Calendar plugin versions less than or equal to 5.2.

What is CVE-2023-40560?

CVE-2023-40560 highlights a security flaw in the Schedule Posts Calendar plugin for WordPress, allowing attackers to execute malicious scripts via an authenticated user. The vulnerability affects versions up to 5.2.

The Impact of CVE-2023-40560

The impact of this CVE is classified as CAPEC-592 Stored XSS, posing a medium risk with a CVSS base score of 5.9. Exploitation requires high privileges but can result in a low impact on confidentiality, integrity, and availability.

Technical Details of CVE-2023-40560

This section provides specific details about the vulnerability.

Vulnerability Description

The vulnerability in the Greg Ross Schedule Posts Calendar plugin allows authenticated attackers to store malicious scripts.

Affected Systems and Versions

The vulnerability affects Greg Ross Schedule Posts Calendar plugin versions <= 5.2.

Exploitation Mechanism

Attackers with admin+ privileges can exploit this vulnerability, requiring user interaction for execution.

Mitigation and Prevention

To address CVE-2023-40560, take the following steps:

Immediate Steps to Take

Users should update the plugin to version 5.3 or later to mitigate the XSS vulnerability.

Long-Term Security Practices

Adopt best practices like regular security audits, strong password policies, and user privilege management to enhance overall security.

Patching and Updates

Stay informed about security patches and updates, promptly applying them to keep systems protected.