CVE-2023-2407 : Vulnerability Insights and Analysis

This CVE was published by Wordfence on June 3, 2023, and affects the "Event Registration Calendar By vcita" and "Online Payments – Get Paid with PayPal, Square & Stripe" WordPress plugins due to a Cross-Site Request Forgery vulnerability.

Understanding CVE-2023-2407

This CVE involves a security issue where the affected WordPress plugins lack proper nonce validation, allowing unauthenticated attackers to manipulate plugin settings and insert malicious JavaScript through a forged request.

What is CVE-2023-2407?

CVE-2023-2407 is a Cross-Site Request Forgery vulnerability found in the "Event Registration Calendar By vcita" and "Online Payments – Get Paid with PayPal, Square & Stripe" WordPress plugins. This vulnerability can be exploited by attackers to modify plugin settings and inject malicious scripts.

The Impact of CVE-2023-2407

The impact of this CVE is significant as it allows unauthorized individuals to carry out actions on behalf of site administrators, potentially compromising the integrity of the affected websites. Attackers can trick users into performing certain actions, leading to unauthorized modifications and injections of malicious code.

Technical Details of CVE-2023-2407

The following technical details pertain to CVE-2023-2407:

Vulnerability Description

The vulnerability arises from missing nonce validation in the ls_parse_vcita_callback() function of the affected plugins, enabling attackers to conduct Cross-Site Request Forgery attacks.

Affected Systems and Versions

The "Event Registration Calendar By vcita" plugin versions up to and including 3.9.1, and the "Online Payments – Get Paid with PayPal, Square & Stripe" plugin versions up to and including 3.9.1 are vulnerable to this CVE.

Exploitation Mechanism

Attackers exploit this vulnerability by crafting forged requests, manipulating plugin settings, and injecting harmful JavaScript into web pages via Cross-Site Request Forgery techniques.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-2407, follow these security measures:

Immediate Steps to Take

Update the affected plugins to the latest secure versions.
Implement proper input validation and nonce verification mechanisms in WordPress plugins.
Educate site administrators on recognizing and avoiding social engineering attacks.

Long-Term Security Practices

Regularly audit and review security practices and plugin code for vulnerabilities.
Monitor plugin repositories and security advisories for patch updates.
Utilize security plugins and tools to enhance website security.

Patching and Updates

Ensure timely installation of security patches released by plugin developers to address vulnerabilities like CVE-2023-2407 and enhance the overall security posture of WordPress websites.