FOX – Currency Switcher Professional for WooCommerce Vulnerability – Unauthenticated Arbitrary Shortcode Execution – CVE-2024-3734 |WordPress Plugin Vulnerability Report

Plugin Name: FOX – Currency Switcher Professional for WooCommerce

Key Information:

  • Software Type: Plugin
  • Software Slug: woocommerce-currency-switcher
  • Software Status: Active
  • Software Author: realmag777
  • Software Downloads: 1,688,317
  • Active Installs: 60,000
  • Last Updated: May 9, 2024
  • Patched Versions:
  • Affected Versions: <=

Vulnerability Details:

  • Name: FOX – Currency Switcher Professional for WooCommerce <=
  • Title: Unauthenticated Arbitrary Shortcode Execution
  • Type: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  • CVE: CVE-2024-3734
  • CVSS Score: 6.5
  • Publicly Published: April 24, 2024
  • Researcher: stealthcopter
  • Description: The FOX – Currency Switcher Professional for WooCommerce plugin is vulnerable to unauthenticated arbitrary shortcode execution in versions up to, and including, This vulnerability allows unauthenticated attackers to execute any shortcode installed on the WordPress site. The severity of the vulnerability can vary significantly depending on the shortcodes available through other plugins installed on the site, which may increase exploitability and impact.


The FOX – Currency Switcher Professional for WooCommerce plugin has a critical vulnerability in versions up to and including that allows unauthenticated attackers to execute arbitrary shortcodes. This vulnerability, which can lead to varying impacts depending on the environment and other installed plugins, has been patched in version

Detailed Overview:

This vulnerability was identified by the researcher known as stealthcopter. The issue arises because the plugin fails to properly restrict access to its shortcode processing mechanism, thereby allowing anyone without authentication to execute any shortcode. This could potentially be exploited to perform actions that should be restricted, ranging from leaking sensitive information to manipulating site content depending on the shortcodes available. The patch in version resolves this issue by implementing proper access controls.

Advice for Users:

  • Immediate Action: Update to version immediately to close this security vulnerability.
  • Check for Signs of Vulnerability: Monitor your site logs for unusual activity that might indicate shortcode execution. Look specifically for unexpected changes to site content or unauthorized actions that could have been triggered by shortcode exploitation.
  • Alternate Plugins: If an immediate update is not feasible, consider temporarily disabling the plugin or using alternative currency switcher plugins that do not have known vulnerabilities.
  • Stay Updated: Regularly check for updates on all plugins installed on your site and apply them as soon as they are available to prevent potential vulnerabilities.


The discovery and subsequent patch of the vulnerability in the FOX – Currency Switcher Professional for WooCommerce plugin serve as important reminders of the necessity of maintaining up-to-date software on your WordPress site. It underscores the continuous threat posed by cyber vulnerabilities and the need for vigilance in applying security updates promptly to ensure the integrity and security of your digital assets.


Detailed Report: 

In the realm of online business, the security of your digital storefront is paramount. A recent vulnerability identified in the widely-used FOX – Currency Switcher Professional for WooCommerce plugin serves as a potent reminder of this reality. Designated as CVE-2024-3734, this flaw allowed unauthenticated attackers to execute arbitrary shortcodes on websites—potentially leading to severe consequences depending on the functionalities of other installed plugins.

Risks and Potential Impacts

The vulnerability exposed sites to potential unauthorized actions by attackers, which could manipulate site content or access sensitive data. Such vulnerabilities are particularly critical in e-commerce environments where customer trust and data security are key to business success.

Historical Context and Continued Vigilance

This is not the first challenge for this plugin, with 9 previous vulnerabilities reported since its release. Each instance reinforces the importance of regular security audits and updates as part of routine website maintenance.

Conclusion: The Imperative of Proactive Security Measures

For small business owners, managing a WordPress website, especially with limited time, can be daunting. Yet, the potential costs of neglecting plugin updates—ranging from data breaches to lost customer trust—are far greater. This incident underscores the necessity of proactive cybersecurity practices, including regular updates and monitoring, to protect your digital assets against evolving cyber threats. Being vigilant and informed about your website’s security can prevent major crises and ensure the longevity and success of your online presence.

Staying Secure

Staying on top of WordPress security can feel overwhelming for small business owners without dedicated IT staff. At Your WP Guy, we exist to shoulder that burden for you. Our WordPress experts can fully audit, secure, maintain and support your site - so you can focus on growing your business with peace of mind.

Don't tackle security risks alone. Let us help you assess any impact from this vulnerability, update your plugins, and implement ongoing maintenance to avoid future threats. We treat your website like it's our own - because we know how critical it is for reaching your customers.

Get in touch for a free consultation today on making WordPress security stress-free. Call 678-995-5169 or book a call here. Our knowledgeable team is ready to help you safeguard your online presence.

FOX – Currency Switcher Professional for WooCommerce Vulnerability – Unauthenticated Arbitrary Shortcode Execution – CVE-2024-3734 |WordPress Plugin Vulnerability Report FAQs

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