CVE-2021-4337 - CVE House
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Status published High CVE-2021-4337

Multiple XforWooCommerce Add-On Plugins (Various Versions) - Missing Authorization

Vulnerability Description

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to read, edit, or delete WordPress settings, plugin settings, and to arbitrarily list all users on a WordPress website. The plugins impacted are: Product Filter for WooCommerce < 8.2.0, Improved Product Options for WooCommerce < 5.3.0, Improved Sale Badges for WooCommerce < 4.4.0, Share, Print and PDF Products for WooCommerce < 2.8.0, Product Loops for WooCommerce < 1.7.0, XforWooCommerce < 1.7.0, Package Quantity Discount < 1.2.0, Price Commander for WooCommerce < 1.3.0, Comment and Review Spam Control for WooCommerce < 1.5.0, Add Product Tabs for WooCommerce < 1.5.0, Autopilot SEO for WooCommerce < 1.6.0, Floating Cart < 1.3.0, Live Search for WooCommerce < 2.1.0, Bulk Add to Cart for WooCommerce < 1.3.0, Live Product Editor for WooCommerce < 4.7.0, and Warranties and Returns for WooCommerce < 5.3.0.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Jerome Bruandet

Affected Vendor

XforWooCommerce

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Affected Software

Package Quantity Discount, Price Commander for WooCommerce, Bulk Add to Cart for WooCommerce, Floating Cart for WooCommerce, Comment and Review Spam Control for WooCommerce, Add Product Tabs for WooCommerce, Autopilot SEO for WooCommerce, XforWooCommerce, Product Loops for WooCommerce, Live Search for WooCommerce, Share, Print and PDF Products for WooCommerce, Improved Sale Badges for WooCommerce, Live Product Editor for WooCommerce, Warranties and Returns for WooCommerce, Improved Product Options for WooCommerce, Product Filter for WooCommerce
Vulnerable Versions:
0

Timeline

Official Publish: June 7th, 2023
Last Modified: April 8th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)