What’s Vulnerable › Vulnerabilities

CVE-2021-4337: Multiple XforWooCommerce Add-On Plugins (Various Versions) - Missing Authorization

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-07 · updated 2026-06-17
• Weakness: CWE-862

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.

Affected products

• XforWooCommerce Add Product Tabs: before 1.5.0 — fixed in 1.5.0
• XforWooCommerce Autopilot Seo: before 1.6.0 — fixed in 1.6.0
• XforWooCommerce Bulk Add To Cart: before 1.3.0 — fixed in 1.3.0
• XforWooCommerce Comment And Review Spam Control: before 1.5.0 — fixed in 1.5.0
• XforWooCommerce Floating Cart: before 1.3.0 — fixed in 1.3.0
• XforWooCommerce Improved Product Options: before 5.3.0 — fixed in 5.3.0
• XforWooCommerce Improved Sale Badges: before 4.4.0 — fixed in 4.4.0
• XforWooCommerce Live Product Editor: before 4.7.0 — fixed in 4.7.0
• XforWooCommerce Live Search: before 2.1.0 — fixed in 2.1.0
• XforWooCommerce Package Quantity: before 1.2.0 — fixed in 1.2.0
• XforWooCommerce Price Commander: before 1.3.0 — fixed in 1.3.0
• XforWooCommerce Product Filter: before 8.2.0 — fixed in 8.2.0
• XforWooCommerce Product Loops: before 1.7.0 — fixed in 1.7.0
• XforWooCommerce Share, Print And Pdf Products: before 2.8.0 — fixed in 2.8.0
• XforWooCommerce Warranties And Returns: before 5.3.0 — fixed in 5.3.0
• XforWooCommerce: before 1.7.0 — fixed in 1.7.0

How to fix

Upgrade to a fixed version: XforWooCommerce Add Product Tabs 1.5.0; XforWooCommerce Autopilot Seo 1.6.0; XforWooCommerce Bulk Add To Cart 1.3.0; XforWooCommerce Comment And Review Spam Control 1.5.0; XforWooCommerce Floating Cart 1.3.0; XforWooCommerce Improved Product Options 5.3.0; XforWooCommerce Improved Sale Badges 4.4.0; XforWooCommerce Live Product Editor 4.7.0; XforWooCommerce Live Search 2.1.0; XforWooCommerce Package Quantity 1.2.0; XforWooCommerce Price Commander 1.3.0; XforWooCommerce Product Filter 8.2.0. Check the vendor advisory for mitigations.

References

• https://blog.nintechnet.com/16-woocommerce-product-add-ons-plugins-fixed-vulnerabilities/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/05481984-7c18-4ec7-8d7c-831809c3e86b?source=cve
• https://xforwoocommerce.com/blog/change-log/xforwoocommerce-1-7-0/
• https://blog.nintechnet.com/16-woocommerce-product-add-ons-plugins-fixed-vulnerabilities/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/05481984-7c18-4ec7-8d7c-831809c3e86b?source=cve
• https://xforwoocommerce.com/blog/change-log/xforwoocommerce-1-7-0/

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