{"id":"CVE-2026-84908","aliases":["EUVD-2026-74687","GHSA-cr4w-84pm-5qc4"],"status":"published","title":"WPFunnels \u003c= 3.12.13 - Missing Authorization to Unauthenticated Arbitrary Product Price Manipulation via 'wpfnl_load_payment' AJAX Action","description":"The WPFunnels plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 3.12.13. This is due to the plugin registering the 'wpfnl_load_payment' AJAX action for both authenticated and unauthenticated (wp_ajax_nopriv_) users and the underlying add_offer_product_to_cart() function performing no nonce verification, no capability check, and no validation that the attacker-supplied product_id is the offer product actually configured on the attacker-supplied step_id. This makes it possible for unauthenticated attackers to add arbitrary WooCommerce products to a cart at any discounted price configured on any funnel step, enabling price manipulation and revenue loss at checkout.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00423,"percentile":0.37026,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-09-09T05:31:04Z","modified":"2026-09-09T15:33:34Z","products":[{"vendor":"getwpfunnels","product":"wpfunnels – funnel builder for woocommerce with checkout \u0026 one click upsell"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/5a24d442-56f9-4f6d-bff6-0eb354249895?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/wpfunnels/tags/3.12.12/includes/core/offer/class-wpfnl-offer.php#L166"},{"url":"https://plugins.trac.wordpress.org/browser/wpfunnels/tags/3.12.13/includes/core/offer/class-wpfnl-offer.php#L166"},{"url":"https://plugins.trac.wordpress.org/browser/wpfunnels/tags/3.12.13/includes/core/offer/class-wpfnl-offer.php#L71"},{"url":"https://plugins.trac.wordpress.org/browser/wpfunnels/tags/3.12.13/includes/core/offer/class-wpfnl-offer.php#L213"},{"url":"https://plugins.trac.wordpress.org/browser/wpfunnels/tags/3.12.12/includes/core/offer/class-wpfnl-offer.php#L71"},{"url":"https://plugins.trac.wordpress.org/browser/wpfunnels/tags/3.12.12/includes/core/offer/class-wpfnl-offer.php#L213"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3675200%40wpfunnels\u0026new=3675200%40wpfunnels"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84908"},{"url":"https://github.com/advisories/GHSA-cr4w-84pm-5qc4"}],"sources":{"cve":[{"id":"CVE-2026-84908","title":"WPFunnels \u003c= 3.12.13 - Missing Authorization to Unauthenticated Arbitrary Product Price Manipulation via 'wpfnl_load_payment' AJAX Action","description":"The WPFunnels plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 3.12.13. This is due to the plugin registering the 'wpfnl_load_payment' AJAX action for both authenticated and unauthenticated (wp_ajax_nopriv_) users and the underlying add_offer_product_to_cart() function performing no nonce verification, no capability check, and no validation that the attacker-supplied product_id is the offer product actually configured on the attacker-supplied step_id. This makes it possible for unauthenticated attackers to add arbitrary WooCommerce products to a cart at any discounted price configured on any funnel step, enabling price manipulation and revenue loss at checkout.","status":"published","published":"2026-09-09T05:31:04.199Z","modified":"2026-09-09T13:08:04.132Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:20:08.391556Z"}],"euvd":[{"id":"EUVD-2026-74687","description":"The WPFunnels plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 3.12.13. This is due to the plugin registering the 'wpfnl_load_payment' AJAX action for both authenticated and unauthenticated (wp_ajax_nopriv_) users and the underlying add_offer_product_to_cart() function performing no nonce verification, no capability check, and no validation that the attacker-supplied product_id is the offer product actually configured on the attacker-supplied step_id. This makes it possible for unauthenticated attackers to add arbitrary WooCommerce products to a cart at any discounted price configured on any funnel step, enabling price manipulation and revenue loss at checkout.","status":"published","published":"2026-09-09T05:31:04Z","modified":"2026-09-09T13:08:04Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:27.763941Z"}],"ghsa":[{"id":"GHSA-cr4w-84pm-5qc4","title":"The WPFunnels plugin for WordPress is vulnerable to Missing Authorization in versions up to, and...","description":"The WPFunnels plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 3.12.13. This is due to the plugin registering the 'wpfnl_load_payment' AJAX action for both authenticated and unauthenticated (wp_ajax_nopriv_) users and the underlying add_offer_product_to_cart() function performing no nonce verification, no capability check, and no validation that the attacker-supplied product_id is the offer product actually configured on the attacker-supplied step_id. This makes it possible for unauthenticated attackers to add arbitrary WooCommerce products to a cart at any discounted price configured on any funnel step, enabling price manipulation and revenue loss at checkout.","status":"published","published":"2026-09-09T06:31:40Z","modified":"2026-09-09T06:31:48Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:11:37.523128Z"}],"nvd":[{"id":"CVE-2026-84908","description":"The WPFunnels plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 3.12.13. This is due to the plugin registering the 'wpfnl_load_payment' AJAX action for both authenticated and unauthenticated (wp_ajax_nopriv_) users and the underlying add_offer_product_to_cart() function performing no nonce verification, no capability check, and no validation that the attacker-supplied product_id is the offer product actually configured on the attacker-supplied step_id. This makes it possible for unauthenticated attackers to add arbitrary WooCommerce products to a cart at any discounted price configured on any funnel step, enabling price manipulation and revenue loss at checkout.","status":"published","published":"2026-09-09T06:17:18.147Z","modified":"2026-09-09T15:33:34.467Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:45.93749Z"}]}}