WordPress Funnel Builder vulnerability exploited to steal payment data

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May 15, 2026 at 9:38 PM

Actively Exploited

Overview

A vulnerability in the Funnel Builder plugin for WordPress, which is used by over 40,000 websites, has been exploited by attackers to steal payment data. This flaw allows unauthenticated users to change global settings through an unprotected checkout endpoint. As a result, any website using this plugin could be at risk of having sensitive payment information compromised. Website owners should take immediate action to secure their sites, as the potential for financial loss and damage to customer trust is significant. This incident serves as a reminder for users to regularly update their plugins and monitor for security patches.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Funnel Builder plugin for WordPress, used by over 40,000 websites
Action Required: Website owners should update the Funnel Builder plugin to the latest version as soon as a patch is available, and review their website security settings to ensure proper protection against unauthorized access.
Timeline: Newly disclosed

Original Article Summary

The vulnerability in the Funnel Builder plugin, used by over 40,000 websites, allows unauthenticated attackers to modify global settings via an unprotected checkout endpoint.

Impact

Funnel Builder plugin for WordPress, used by over 40,000 websites

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Website owners should update the Funnel Builder plugin to the latest version as soon as a patch is available, and review their website security settings to ensure proper protection against unauthorized access.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Vulnerability, Update.

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