{"id":"CVE-2021-4337","aliases":["EUVD-2021-34164","GHSA-xf7w-7876-xwj4"],"status":"published","title":"Multiple XforWooCommerce Add-On Plugins (Various Versions) - Missing Authorization","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 \u003c 8.2.0, Improved Product Options for WooCommerce \u003c 5.3.0, Improved Sale Badges for WooCommerce \u003c 4.4.0, Share, Print and PDF Products for WooCommerce \u003c 2.8.0, Product Loops for WooCommerce \u003c 1.7.0, XforWooCommerce \u003c 1.7.0, Package Quantity Discount \u003c 1.2.0, Price Commander for WooCommerce \u003c 1.3.0, Comment and Review Spam Control for WooCommerce \u003c 1.5.0, Add Product Tabs for WooCommerce \u003c 1.5.0, Autopilot SEO for WooCommerce \u003c 1.6.0, Floating Cart \u003c 1.3.0, Live Search for WooCommerce \u003c 2.1.0, Bulk Add to Cart for WooCommerce \u003c 1.3.0, Live Product Editor for WooCommerce \u003c 4.7.0, and Warranties and Returns for WooCommerce \u003c 5.3.0.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01274,"percentile":0.70091,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2023-06-07T12:43:07Z","modified":"2026-06-17T04:19:32Z","products":[{"vendor":"xforwoocommerce","product":"add product tabs for woocommerce"},{"vendor":"xforwoocommerce","product":"add_product_tabs"},{"vendor":"xforwoocommerce","product":"autopilot seo for woocommerce"},{"vendor":"xforwoocommerce","product":"autopilot_seo"},{"vendor":"xforwoocommerce","product":"bulk add to cart for woocommerce"},{"vendor":"xforwoocommerce","product":"bulk_add_to_cart"},{"vendor":"xforwoocommerce","product":"comment and review spam control for woocommerce"},{"vendor":"xforwoocommerce","product":"comment_and_review_spam_control"},{"vendor":"xforwoocommerce","product":"floating cart for woocommerce"},{"vendor":"xforwoocommerce","product":"floating_cart"},{"vendor":"xforwoocommerce","product":"improved product options for woocommerce"},{"vendor":"xforwoocommerce","product":"improved sale badges for woocommerce"},{"vendor":"xforwoocommerce","product":"improved_product_options"},{"vendor":"xforwoocommerce","product":"improved_sale_badges"},{"vendor":"xforwoocommerce","product":"live product editor for woocommerce"},{"vendor":"xforwoocommerce","product":"live search for woocommerce"},{"vendor":"xforwoocommerce","product":"live_product_editor"},{"vendor":"xforwoocommerce","product":"live_search"},{"vendor":"xforwoocommerce","product":"package quantity discount"},{"vendor":"xforwoocommerce","product":"package_quantity"},{"vendor":"xforwoocommerce","product":"price commander for woocommerce"},{"vendor":"xforwoocommerce","product":"price_commander"},{"vendor":"xforwoocommerce","product":"product filter for woocommerce"},{"vendor":"xforwoocommerce","product":"product loops for woocommerce"},{"vendor":"xforwoocommerce","product":"product_filter"},{"vendor":"xforwoocommerce","product":"product_loops"},{"vendor":"xforwoocommerce","product":"share, print and pdf products for woocommerce"},{"vendor":"xforwoocommerce","product":"share\\,_print_and_pdf_products"},{"vendor":"xforwoocommerce","product":"warranties and returns for woocommerce"},{"vendor":"xforwoocommerce","product":"warranties_and_returns"},{"vendor":"xforwoocommerce","product":"xforwoocommerce"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/05481984-7c18-4ec7-8d7c-831809c3e86b?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://blog.nintechnet.com/16-woocommerce-product-add-ons-plugins-fixed-vulnerabilities/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://xforwoocommerce.com/blog/change-log/xforwoocommerce-1-7-0/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4337"},{"url":"https://blog.nintechnet.com/16-woocommerce-product-add-ons-plugins-fixed-vulnerabilities"},{"url":"https://xforwoocommerce.com/blog/change-log/xforwoocommerce-1-7-0"},{"url":"https://github.com/advisories/GHSA-xf7w-7876-xwj4"}],"sources":{"cve":[{"id":"CVE-2021-4337","title":"Multiple XforWooCommerce Add-On Plugins (Various Versions) - Missing Authorization","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 \u003c 8.2.0, Improved Product Options for WooCommerce \u003c 5.3.0, Improved Sale Badges for WooCommerce \u003c 4.4.0, Share, Print and PDF Products for WooCommerce \u003c 2.8.0, Product Loops for WooCommerce \u003c 1.7.0, XforWooCommerce \u003c 1.7.0, Package Quantity Discount \u003c 1.2.0, Price Commander for WooCommerce \u003c 1.3.0, Comment and Review Spam Control for WooCommerce \u003c 1.5.0, Add Product Tabs for WooCommerce \u003c 1.5.0, Autopilot SEO for WooCommerce \u003c 1.6.0, Floating Cart \u003c 1.3.0, Live Search for WooCommerce \u003c 2.1.0, Bulk Add to Cart for WooCommerce \u003c 1.3.0, Live Product Editor for WooCommerce \u003c 4.7.0, and Warranties and Returns for WooCommerce \u003c 5.3.0.","status":"published","published":"2023-06-07T12:43:07.139Z","modified":"2026-04-08T16:33:21.807Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2021-34164","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 \u003c 8.2.0, Improved Product Options for WooCommerce \u003c 5.3.0, Improved Sale Badges for WooCommerce \u003c 4.4.0, Share, Print and PDF Products for WooCommerce \u003c 2.8.0, Product Loops for WooCommerce \u003c 1.7.0, XforWooCommerce \u003c 1.7.0, Package Quantity Discount \u003c 1.2.0, Price Commander for WooCommerce \u003c 1.3.0, Comment and Review Spam Control for WooCommerce \u003c 1.5.0, Add Product Tabs for WooCommerce \u003c 1.5.0, Autopilot SEO for WooCommerce \u003c 1.6.0, Floating Cart \u003c 1.3.0, Live Search for WooCommerce \u003c 2.1.0, Bulk Add to Cart for WooCommerce \u003c 1.3.0, Live Product Editor for WooCommerce \u003c 4.7.0, and Warranties and Returns for WooCommerce \u003c 5.3.0.","status":"published","published":"2023-06-07T12:43:07Z","modified":"2026-04-08T16:33:21Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:25:11.239745Z"}],"ghsa":[{"id":"GHSA-xf7w-7876-xwj4","title":"Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due...","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 \u003c 8.2.0, Improved Product Options for WooCommerce \u003c 5.3.0, Improved Sale Badges for WooCommerce \u003c 4.4.0, Share, Print and PDF Products for WooCommerce \u003c 2.8.0, Product Loops for WooCommerce \u003c 1.7.0, XforWooCommerce \u003c 1.7.0, Package Quantity Discount \u003c 1.2.0, Price Commander for WooCommerce \u003c 1.3.0, Comment and Review Spam Control for WooCommerce \u003c 1.5.0, Add Product Tabs for WooCommerce \u003c 1.5.0, Autopilot SEO for WooCommerce \u003c 1.6.0, Floating Cart \u003c 1.3.0, Live Search for WooCommerce \u003c 2.1.0, Bulk Add to Cart for WooCommerce \u003c 1.3.0, Live Product Editor for WooCommerce \u003c 4.7.0, and Warranties and Returns for WooCommerce \u003c 5.3.0.","status":"published","published":"2023-06-07T15:30:17Z","modified":"2024-04-11T21:18:05Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:57:09.217628Z"}],"nvd":[{"id":"CVE-2021-4337","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 \u003c 8.2.0, Improved Product Options for WooCommerce \u003c 5.3.0, Improved Sale Badges for WooCommerce \u003c 4.4.0, Share, Print and PDF Products for WooCommerce \u003c 2.8.0, Product Loops for WooCommerce \u003c 1.7.0, XforWooCommerce \u003c 1.7.0, Package Quantity Discount \u003c 1.2.0, Price Commander for WooCommerce \u003c 1.3.0, Comment and Review Spam Control for WooCommerce \u003c 1.5.0, Add Product Tabs for WooCommerce \u003c 1.5.0, Autopilot SEO for WooCommerce \u003c 1.6.0, Floating Cart \u003c 1.3.0, Live Search for WooCommerce \u003c 2.1.0, Bulk Add to Cart for WooCommerce \u003c 1.3.0, Live Product Editor for WooCommerce \u003c 4.7.0, and Warranties and Returns for WooCommerce \u003c 5.3.0.","status":"published","published":"2023-06-07T13:15:09.437Z","modified":"2026-06-17T04:19:32.003Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}