{"id":44746,"date":"2025-05-26T21:48:42","date_gmt":"2025-05-26T21:48:42","guid":{"rendered":""},"modified":"2025-06-09T23:30:59","modified_gmt":"2025-06-10T05:30:59","slug":"cve-2025-39402-unrestricted-file-upload-vulnerability-in-mojoomla-wpams","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-39402-unrestricted-file-upload-vulnerability-in-mojoomla-wpams\/","title":{"rendered":"<strong>CVE-2025-39402: Unrestricted File Upload Vulnerability in mojoomla WPAMS<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>This blog post delves into a critical cybersecurity vulnerability &#8211; CVE-2025-39402. This vulnerability, identified in the mojoomla WPAMS system, relates to an unrestricted upload of file types, which can potentially allow malicious actors to upload a web shell to the server. This issue is significant, as it opens up the opportunity for unauthorized access, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-52880-critical-vulnerability-in-insyde-insydeh2o-kernels-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"51456\">potential system<\/a> compromise, and data leakage. It affects all versions of WPAMS up to and including 44.0, underscoring the importance of immediate attention and mitigation.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-39402<br \/>\nSeverity: Critical (CVSS 9.9)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39401-unrestricted-file-upload-leading-to-potential-system-compromise-in-mojoomla-wpams\/\"  data-wpil-monitor-id=\"52041\">System compromise<\/a> and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3215615409\" 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>mojoomla WPAMS | n\/a through 44.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4564-arbitrary-file-deletion-vulnerability-in-ticketbai-facturas-para-woocommerce-plugin\/\"  data-wpil-monitor-id=\"50152\">vulnerability<\/a> lies in the lack of sufficient checks during the file upload process in mojoomla WPAMS. An attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45997-exploiting-file-upload-vulnerability-in-web-based-pharmacy-product-management-system\/\"  data-wpil-monitor-id=\"56845\">exploit this by uploading<\/a> a web shell, which is a script that allows remote administration of the machine. Once the web shell is uploaded and executed, the attacker has the same privileges as the user running the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36535-unrestricted-remote-access-due-to-lack-of-web-server-authentication-and-access-controls\/\"  data-wpil-monitor-id=\"52759\">web server<\/a> (often root or administrator). This allows for a full compromise of the server, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-32401-buffer-overflow-vulnerability-in-macos-leads-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"51645\">leading to potential<\/a> data leakage or other malicious activities.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3846888409\" 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>Below is a conceptual example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47701-cross-site-request-forgery-vulnerability-in-drupal-restrict-route-by-ip\/\"  data-wpil-monitor-id=\"50143\">vulnerability might be exploited using an HTTP POST request<\/a> to upload a malicious web shell:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/file_upload_endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: multipart\/form-data; boundary=----WebShell\n------WebShell\nContent-Disposition: form-data; name=&quot;file&quot;; filename=&quot;webshell.php&quot;\nContent-Type: application\/x-php\n&lt;?php system($_GET[&#039;cmd&#039;]); ?&gt;\n------WebShell--<\/code><\/pre>\n<p>This example uploads a simple PHP web shell that would <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41075-high-risk-type-confusion-vulnerability-allowing-arbitrary-code-execution-with-kernel-privileges\/\"  data-wpil-monitor-id=\"51569\">allow the attacker to execute arbitrary<\/a> system commands by visiting &#8220;webshell.php?cmd=[command]&#8221;.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The recommended mitigation for this vulnerability is to apply the vendor&#8217;s patch. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39380-mojoomla-hospital-management-system-file-upload-vulnerability\/\"  data-wpil-monitor-id=\"52017\">systems can block or alert on detected web shell uploads<\/a> or execution patterns. Regular updates and patches, thorough input validation and restriction on <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4391-wordpress-echo-rss-feed-post-generator-plugin-arbitrary-file-upload-vulnerability\/\"  data-wpil-monitor-id=\"50847\">file types that can be uploaded<\/a> are also important preventive measures.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview This blog post delves into a critical cybersecurity vulnerability &#8211; CVE-2025-39402. This vulnerability, identified in the mojoomla WPAMS system, relates to an unrestricted upload of file types, which can potentially allow malicious actors to upload a web shell to the server. This issue is significant, as it opens up the opportunity for unauthorized access, [&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-44746","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\/44746","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=44746"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44746\/revisions"}],"predecessor-version":[{"id":50758,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44746\/revisions\/50758"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=44746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=44746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=44746"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=44746"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=44746"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=44746"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=44746"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=44746"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=44746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}