Colissimo Officiel : Méthodes de livraison pour WooCommerce <= 2.9.0 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Order Shipment Modification via lpc_order_affect AJAX action

4.3
Missing Authorization
CVE CVE-2026-9240
CVSS 4.3 (Medium)
Publicly Published July 8, 2026
Last Updated July 9, 2026
Researcher Muhan Luo - Security Innovation

Description

The Colissimo Officiel : Méthodes de livraison pour WooCommerce plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the updateShippingMethod() function (registered to the wp_ajax_lpc_order_affect AJAX action) in versions up to, and including, 2.9.0. This is due to the handler performing no current_user_can() capability check and no nonce verification before reading an attacker-supplied order_id and modifying that order's shipping method, pickup-point meta, and shipping address. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create or modify the shipment information (shipping method, pickup relay data, and shipping address) of arbitrary WooCommerce orders, including orders placed by other users.

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Vulnerability Details for Colissimo shipping methods for WooCommerce

Software Type Plugin
Software Slug colissimo-shipping-methods-for-woocommerce (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.10.0, or a newer patched version
Affected Version
  • <= 2.9.0
Patched Version
  • 2.10.0

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