{"cve":"CVE-2021-4337","nvd":{"published":"2023-06-07T13:15:09.437","modified":"2026-06-17T04:19:32.003","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-862"],"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"],"products":["xforwoocommerce:add_product_tabs","xforwoocommerce:autopilot_seo","xforwoocommerce:bulk_add_to_cart","xforwoocommerce:comment_and_review_spam_control","xforwoocommerce:floating_cart","xforwoocommerce:improved_product_options","xforwoocommerce:improved_sale_badges","xforwoocommerce:live_product_editor","xforwoocommerce:live_search","xforwoocommerce:package_quantity","xforwoocommerce:price_commander","xforwoocommerce:product_filter","xforwoocommerce:product_loops","xforwoocommerce:share\\,_print_and_pdf_products","xforwoocommerce:warranties_and_returns","xforwoocommerce:xforwoocommerce"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2021-4337","score":0.01274,"percentile":0.6991,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}