dbcve.org
Code InjectionWeakness · CWE-94

CVE-2024-3734

MEDIUM · 6.5 CVSS v3.1 Published 2024-05-02
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
74/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
The FOX – Currency Switcher Professional for WooCommerce plugin is vulnerable to Unauthenticated Arbitrary Shortcode Execution in versions up to, and including, 1.4.1.8. This allows unauthenticated attackers to execute arbitrary shortcodes. The severity and exploitability depends on what other plugins are installed and what shortcode functionality they provide.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

The FOX – Currency Switcher Professional for WooCommerce plugin up to version 1.4.1.8 fails to validate user authentication before processing shortcode execution requests, allowing unauthenticated attackers to invoke any registered WordPress shortcode. The actual impact depends on what shortcodes other installed plugins expose—potentially enabling privilege escalation, data exfiltration, or remote code execution if vulnerable shortcodes exist.

MitigationImmediately update the plugin to the latest version once available, or disable the plugin until a patch is released. Additionally, audit all installed plugins for shortcodes that could be weaponized and consider implementing a Web Application Firewall to block unauthenticated shortcode execution attempts.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Verify the FOX Currency Switcher plugin is installed
    Log into the WordPress admin dashboard and navigate to Plugins > Installed Plugins. Look for 'FOX - Currency Switcher Professional for WooCommerce' in the list of active plugins.
    Affected if The plugin is present and active in the WordPress installation.
  2. Determine the installed version
    In the WordPress admin under Plugins > Installed Plugins, find the FOX Currency Switcher plugin and note the version number displayed below the plugin name. Alternatively, check the plugin header in the main plugin file (usually in wp-content/plugins/fox-currency-switcher-professional/).
    Affected if The installed version is 1.4.1.8 or lower.
  3. Confirm shortcode endpoint accessibility
    Test if the plugin's shortcode processing can be reached without authentication by sending a request to the WordPress ajax endpoint (wp-admin/admin-ajax.php) with a shortcode action parameter, without including valid authentication cookies or credentials.
    Affected if The shortcode processing accepts requests without requiring authentication.
  4. Inventory registered shortcodes
    Review all installed plugins and identify which ones register shortcodes. Use a WordPress plugin scanner or grep the plugin directory for add_shortcode() function calls to compile a list of available shortcodes.
    Affected if Other installed plugins expose shortcodes that could be weaponized for privilege escalation, data exfiltration, or remote code execution.

You are affected if the FOX Currency Switcher Professional plugin version 1.4.1.8 or lower is installed and active, and the shortcode execution endpoint is accessible without authentication, especially if other plugins expose potentially dangerous shortcodes.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Immediately update the plugin to the latest version once available, or disable the plugin until a patch is released. Additionally, audit all installed plugins for shortcodes that could be weaponized and consider implementing a Web Application Firewall to block unauthenticated shortcode execution attempts.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,930
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,088.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2024-3734 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

Get it on GitHub Scan in the browser

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-3734 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data