{"id":54797,"date":"2025-06-24T16:41:33","date_gmt":"2025-06-24T16:41:33","guid":{"rendered":""},"modified":"2025-08-08T11:19:23","modified_gmt":"2025-08-08T17:19:23","slug":"cve-2025-1562-unauthorized-arbitrary-plugin-installation-in-funnelkit-plugin-for-wordpress","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-1562-unauthorized-arbitrary-plugin-installation-in-funnelkit-plugin-for-wordpress\/","title":{"rendered":"<strong>CVE-2025-1562: Unauthorized Arbitrary Plugin Installation in FunnelKit Plugin for WordPress<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-1562 is a critical vulnerability that affects the Recover WooCommerce Cart Abandonment, Newsletter, Email Marketing, Marketing Automation By FunnelKit plugin for WordPress. This vulnerability has a high potential for system compromise and data leakage and is highly likely to be exploited by unauthenticated attackers. All versions of the plugin up to, and including, 3.5.3 are at risk. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5395-arbitrary-file-upload-vulnerability-in-wordpress-automatic-plugin\/\"  data-wpil-monitor-id=\"61127\">vulnerability matters because it exposes the WordPress<\/a> site to potential device compromises and data breaches that can result in reputational damage, financial loss, and legal repercussions.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-1562<br \/>\nSeverity: Critical (9.8 CVSS Severity Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Unauthorized arbitrary plugin installation leading to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5491-acer-controlcenter-remote-code-execution-vulnerability-potential-system-compromise\/\"  data-wpil-monitor-id=\"61262\">potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2838776067\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>Recover WooCommerce Cart Abandonment, Newsletter, Email Marketing, Marketing Automation By FunnelKit <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6755-wordpress-plugin-vulnerability-leads-to-arbitrary-file-deletion\/\"  data-wpil-monitor-id=\"65630\">Plugin for WordPress<\/a> | Up to and including 3.5.3<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32281-high-severity-missing-authorization-vulnerability-in-focuxtheme-wpkit-for-elementor\/\"  data-wpil-monitor-id=\"65318\">vulnerability stems from a missing<\/a> capability check in the install_or_activate_addon_plugins() function and a weak nonce hash. An attacker can leverage these weaknesses to install <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5012-arbitrary-file-upload-vulnerability-in-the-workreap-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"61314\">arbitrary plugins<\/a> on the site without any authentication. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8418-arbitrary-plugin-installation-vulnerability-in-b-slider-gutenberg-slider-block-for-wp-plugin\/\"  data-wpil-monitor-id=\"82532\">installed plugins<\/a> can be used as a gateway to infect the website further.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2833272494\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>An attacker might exploit the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6162-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-http-post-request-handler\/\"  data-wpil-monitor-id=\"62744\">vulnerability through an HTTP request<\/a> similar to the following:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-admin\/admin-ajax.php?action=funnelkit_go_install_addon_plugins HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nplugin=malicious_plugin_slug<\/code><\/pre>\n<p>In this example, &#8220;malicious_plugin_slug&#8221; refers to the slug of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4413-arbitrary-file-upload-vulnerability-in-pixabay-images-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"62743\">arbitrary plugin<\/a> the attacker wants to install. This slug is usually the name of the plugin as found in the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-12827-privilege-escalation-via-account-takeover-in-dwt-directory-listing-wordpress-theme\/\"  data-wpil-monitor-id=\"65445\">WordPress Plugin Directory<\/a>.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To mitigate this vulnerability, users are advised to apply the vendor patch as soon as it becomes available. In the meantime, using a web application firewall (WAF) or intrusion detection system (IDS) can serve as temporary mitigation. It is also advisable to regularly update all <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5835-droip-plugin-for-wordpress-unauthorized-access-and-modification-vulnerability\/\"  data-wpil-monitor-id=\"68953\">WordPress plugins<\/a> and monitor the site for unusual activities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-1562 is a critical vulnerability that affects the Recover WooCommerce Cart Abandonment, Newsletter, Email Marketing, Marketing Automation By FunnelKit plugin for WordPress. This vulnerability has a high potential for system compromise and data leakage and is highly likely to be exploited by unauthenticated attackers. All versions of the plugin up to, and including, 3.5.3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-54797","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=54797"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54797\/revisions"}],"predecessor-version":[{"id":75050,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54797\/revisions\/75050"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=54797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=54797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=54797"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=54797"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=54797"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=54797"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=54797"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=54797"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=54797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}