Order Tip for WooCommerce <= 1.5.4 - Unauthenticated Tip Manipulation to Negative Value Leading to Unauthorized Discounts

7.5
Client-Side Enforcement of Server-Side Security
CVE CVE-2025-6025
CVSS 7.5 (High)
Publicly Published August 14, 2025
Last Updated August 15, 2025
Researcher t.t.brothers

Description

The Order Tip for WooCommerce plugin for WordPress is vulnerable to Unauthenticated Improper Input Validation in all versions up to, and including, 1.5.4. This is due to lack of server-side validation on the `data-tip` attribute, which makes it possible for unauthenticated attackers to apply an excessive or even negative tip amount, resulting in unauthorized discount up to free orders depending on the value submitted.

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Vulnerability Details for Order Tip for WooCommerce

Software Type Plugin
Software Slug order-tip-woo (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.5.5, or a newer patched version
Affected Version
  • <= 1.5.4
Patched Version
  • 1.5.5

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