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High · 7.2 CVE-2026-6020 EUVD-2026-53284GHSA-m4f6-5759-q864

ShopLentor <= 3.3.7 - Authenticated (Administrator+) Arbitrary Function Execution via 'callback' Parameter via REST API

Published Aug 5, 2026 · Updated Aug 5, 2026 · Assigned by Wordfence

Description

The ShopLentor plugin for WordPress is vulnerable to arbitrary function execution via the woolentoropt/v1/custom-action REST API endpoint in all versions up to, and including, 3.3.7. This is due to the handle_action() method passing user-supplied input directly to call_user_func() without an allowlist of permitted callbacks. This makes it possible for authenticated attackers, with Administrator-level access and above, to execute arbitrary PHP callable functions via the 'callback' parameter.

Affected products

VendorProductAffectedFixed
devitemsllc ShopLentor – All-in-One WooCommerce Growth & Store Enhancement Plugin ≤ 3.3.7 —

References