Flexible Refund for WooCommerce – EU One Click Return <= 1.0.51 - Authenticated (Customer+) Stored Cross-Site Scripting
Strategic Overview
<= 1.0.51CVE-2026-57402Vulnerability Overview
The Flexible Refund for WooCommerce – EU One Click Return plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.0.51 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with customer-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Technical Analysis
REMEDIATION: Update to version 1.0.52, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
External References
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C