CVE-2026-18603

Medium

Description

The PiWeb Cancel order / Refund request for WooCommerce WordPress plugin before 1.3.4.34 does not have authorization or ownership checks when adding the contents of a previous order to the cart, allowing unauthenticated users to disclose the contents of other customers' orders, as well as to clear and repopulate a logged in user's cart via a crafted link.

SeverityMedium
CVSS6.5
Exploit probability—
ProductPiWeb Cancel order / Refund request for WooCommerce
PublishedAug 9, 2026
First seenAug 9, 2026

How to fix

Update
  • PiWeb Cancel order / Refund request for WooCommerce1.3.4.34 or later

Affected products

ProductAffected versionsFixed in
PiWeb Cancel order / Refund request for WooCommercev < 1.3.4.341.3.4.34

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CVE-2026-18603 · PiWeb Cancel order / Refund request for WooCommerce · Dark Radar