CVE-2023-40668 : Security Advisory and Response

WordPress Save as PDF plugin by Pdfcrowd Plugin <= 2.16.0 is vulnerable to Cross Site Scripting (XSS).

Understanding CVE-2023-40668

This CVE affects the Pdfcrowd Save as PDF plugin by Pdfcrowd with versions up to 2.16.0.

What is CVE-2023-40668?

CVE-2023-40668 is an Authenticated Stored Cross-Site Scripting (XSS) vulnerability found in Pdfcrowd Save as PDF plugin by Pdfcrowd plugin versions equal to or less than 2.16.0.

The Impact of CVE-2023-40668

The impact of this CVE is a CAPEC-592 Stored XSS, with a CVSS base score of 5.9 (Medium severity). The vulnerability requires high privileges to exploit and user interaction is required for successful attack.

Technical Details of CVE-2023-40668

This section provides more details about the vulnerability.

Vulnerability Description

The vulnerability allows for Authenticated Stored Cross-Site Scripting (XSS) in the affected Pdfcrowd Save as PDF plugin by Pdfcrowd versions.

Affected Systems and Versions

Pdfcrowd Save as PDF plugin by Pdfcrowd plugin versions up to 2.16.0 are affected by this XSS vulnerability.

Exploitation Mechanism

The vulnerability could be exploited by an authenticated attacker with admin privileges to inject malicious scripts into the plugin, leading to potential XSS attacks.

Mitigation and Prevention

Here are the steps to mitigate and prevent the exploitation of CVE-2023-40668:

Immediate Steps to Take

Users should update their Pdfcrowd Save as PDF plugin by Pdfcrowd to version 2.16.1 or higher immediately to patch the vulnerability.

Long-Term Security Practices

In addition to immediate patching, it is recommended to regularly update and monitor all plugins and extensions to prevent future vulnerabilities.

Patching and Updates

Regularly check for updates from Pdfcrowd and apply patches promptly to ensure the security of the Wordpress site and its plugins.