Back Scworld WordPress Funnel Builder vulnerability exploited to steal payment data | brief
A critical vulnerability in the WordPress Funnel Builder plugin is being actively exploited, allowing attackers to inject malicious JavaScript into WooCommerce checkout pages and steal customer payment information. The flaw, which affects all versions prior to 3.15.0.3, can be exploited without authentication, Bleeping Computer reports.
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. This enables the injection of arbitrary JavaScript into the plugin's "External Scripts" setting, leading to malicious code execution on every checkout page. Security company Sansec detected the attacks, noting that the payload disguised itself as a legitimate analytics script to establish a WebSocket connection to an attacker-controlled server. This server then delivers a payment card skimmer designed to steal credit card numbers, CVVs, billing addresses, and other customer data.
FunnelKit has released version 3.15.0.3 to address the vulnerability and recommends that all users update immediately and review their external scripts for any rogue additions.
Source: Bleeping Computer
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