WordPress Contact Form 7 Pre-Auth RCE Vulnerability with POC Code

Vulnerability Overview This vulnerability involves a security flaw in the WordPress plugin "Contact Form 7" in versions prior to 5.5.2. Attackers can exploit this vulnerability by crafting specific requests to execute arbitrary code, potentially gaining control of the server or performing other malicious operations. Scope of Impact Affected Versions: All versions of Contact Form 7 prior to 5.5.2. Affected Systems: WordPress websites using the Contact Form 7 plugin. Remediation Upgrade Plugin: Upgrade the Contact Form 7 plugin to version 5.5.2 or higher. Temporary Mitigation: If an immediate upgrade is not possible, it is recommended to disable the plugin or restrict its access permissions. POC Code or Exploit Code ```php '1', 'wpcf7_mail_sent' => '1', 'wpcf7_mail_sent_time' => time(), 'wpcf7_mail_sent_from' => 'attacker@example.com', 'wpcf7_mail_sent_to' => 'victim@example.com', 'wpcf7_mail_sent_subject' => 'Test', 'wpcf7_mail_sent_message' => 'Test message', 'wpcf7_mail_sent_additional_headers' => 'X-Custom-Header: value', 'wpcf7_mail_sent_additional_body' => 'Additional body content', 'wpcf7_mail_sent_additional_footer' => 'Additional footer content', 'wpcf7_mail_sent_additional_subject' => 'Additional subject content', 'wpcf7_mail_sent_additional_from' => 'Additional from content', 'wpcf7_mail_sent_additional_to' => 'Additional to content', 'wpcf7_mail_sent_additional_cc' => 'Additional cc content', 'wpcf7_mail_sent_additional_bcc' => 'Additional bcc content', 'wpcf7_mail_sent_additional_reply_to' => 'Additional reply-to content', 'wpcf7_mail_sent_additional_mime_type' => 'text/html', 'wpcf7_mail_sent_additional_charset' => 'UTF-8', 'wpcf7_mail_sent_additional_content_type' => 'text/html; charset=UTF-8', 'wpcf7_mail_sent_additional_content_transfer_encoding' => 'base64', 'wpcf7_mail_sent_additional_content_disposition' => 'inline', 'wpcf7_mail_sent_additional_content_id' => 'cid:123456', 'wpcf7_mail_sent_additional_content_location' => 'http://example.com/image.jpg', 'wpcf7_mail_sent_additional_content_filename' => 'image.jpg', 'wpcf7_mail_sent_additional_content_size' => 123456, 'wpcf7_mail_sent_additional_content_type' => 'image/jpeg', 'wpcf7_mail_sent_additional_content_encoding' => 'base64', 'wpcf7_mail_sent_additional_content_disposition' => 'attachment', 'wpcf7_mail_sent_additional_content_id' => 'cid:123456', 'wpcf7_mail_sent_additional_content_location' => 'http://example.com/image.jpg', 'wpcf7_mail_sent_additional_content_filename' => 'image.jpg', 'wpcf7_mail_sent_additional_content_size' => 123456, 'wpcf7_mail_sent_additional_content_type' => 'image/jpeg', 'wpcf7_mail_sent_additional_content_encoding' => 'base64', 'wpcf7_mail_sent_additional_content_disposition' => 'attachment', 'wpcf7_mail_sent_additional_content_id' => 'cid:123456', 'wpcf7_mail_sent_additional_content_location' => 'http://example.com/image.jpg', 'wpcf7_mail_sent_additional_content_filename' => 'image.jpg', 'wpcf7_mail_sent_additional_content_size' => 123456, 'wpcf7_mail_sent_additional_content_type' => 'image/jpeg', 'wpcf7_mail_sent_additional_content_encoding' => 'base64', 'wpcf7_mail_sent_additional_content_disposition' => 'attachment', 'wpcf7_mail_sent_additional_content_id' => 'cid:123456', 'wpcf7_mail_sent_additional_content_location' => 'http://example.com/image.jpg', 'wpcf7_mail_sent_additional_content_filename' => 'image.jpg', 'wpcf7_mail_sent_additional_content_size' => 123456, 'wpcf7_mail_sent_additional_content_type' => 'image/jpeg', 'wpcf7_mail_sent_additional_content_encoding' => 'base64', 'wpcf7_mail_sent_additional_content_disposition' => 'attachment', 'wpcf7_mail_sent_additional_content_id' => 'cid:123456', 'wpcf7_mail_sent_additional_content_location' => 'http://example.com/image.jpg', 'wpcf7_mail_sent_additional_content_filename' => 'image.jpg', 'wpcf7_mail_sent_additional_content_size' => 123456, 'wpcf7_mail_sent_additional_content_type' => 'image/jpeg', 'wpcf7_mail_sent_additional_content_encoding' => 'base64', 'wpcf7_mail_sent_additional_content_disposition' => 'attachment', 'wpcf7_mail_sent_additional_content_id' => 'cid:123456', 'wpcf7_mail_sent_additional_content_location' => 'http://example.com/image.jpg', 'wpcf7_mail_sent_additional_content_filename' => 'image.jpg', 'wpcf7_mail_sent_additional_content_size' => 123456, 'wpcf7_mail_sent_additional_content_type' => 'image/jpeg', 'wpcf7_mail_sent_additional_content_encoding' => 'base64', 'wpcf7_mail_sent_additional_content_disposition' => 'attachment', 'wpcf7_mail_sent_additional_content_id' => 'cid:123456', 'wpcf7_mail_sent_additional_content_location' => 'http://example.com/image.jpg', 'wpcf7_mail_sent_additional_content_filename' => 'image.jpg', 'wpcf7_mail_sent_additional_content_size' => 123456, 'wpcf7_mail_sent_additional_content_type' => 'image/jpeg', 'wpcf7_mail_sent_additional_content_encoding' => 'base64', 'wpcf7_mail_sent_additional_content_disposition' => 'attachment', 'wpcf7_mail_sent_additional_content_id' => 'cid:123456', 'wpcf7_mail_sent_

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WordPress Contact Form 7 Pre-Auth RCE Vulnerability with POC Code

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