{"id":64381,"date":"2025-08-28T19:49:11","date_gmt":"2025-08-28T19:49:11","guid":{"rendered":""},"modified":"2025-09-14T23:54:57","modified_gmt":"2025-09-15T05:54:57","slug":"cve-2025-54007-untrusted-data-deserialization-vulnerability-in-pickplugins-post-grid-and-gutenberg-blocks","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-54007-untrusted-data-deserialization-vulnerability-in-pickplugins-post-grid-and-gutenberg-blocks\/","title":{"rendered":"<strong>CVE-2025-54007: Untrusted Data Deserialization Vulnerability in PickPlugins Post Grid and Gutenberg Blocks<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the world of cybersecurity, there is a constant battle between software developers and malicious hackers. Recent trends have shown an increase in the vulnerabilities related to the deserialization of untrusted data. One such vulnerability, CVE-2025-54007, affects PickPlugins Post Grid and <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=\"82539\">Gutenberg Blocks<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50240-sql-injection-vulnerability-in-nbcio-boot-v1-0-3\/\"  data-wpil-monitor-id=\"71931\">vulnerability is particularly concerning as it allows for object injection<\/a>, which can lead to potential system compromise or data leakage. This blog <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24000-authentication-bypass-vulnerability-in-wpexperts-post-smtp-plugin\/\"  data-wpil-monitor-id=\"78960\">post aims to provide a detailed understanding of this vulnerability<\/a>, its potential impact, and the steps required to mitigate its risks.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-54007<br \/>\nSeverity: High (CVSS: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: System compromise or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72466\">data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3547883374\" 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>PickPlugins Post Grid | n\/a through 2.3.11<br \/>\nGutenberg Blocks | n\/a through 2.3.11<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-54007 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53078-critical-deserialization-vulnerability-in-samsung-dms\/\"  data-wpil-monitor-id=\"71875\">vulnerability stems from the deserialization<\/a> of untrusted data within PickPlugins Post Grid and Gutenberg Blocks. Deserialization is the process of converting a serialized <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8145-php-object-injection-vulnerability-in-redirection-for-contact-form-7-wordpress-plugin\/\"  data-wpil-monitor-id=\"82034\">object back into its original form<\/a>. When an application deserializes untrusted data without proper validation or sanitization, it creates an opportunity for an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36014-ibm-integration-bus-code-injection-vulnerability\/\"  data-wpil-monitor-id=\"72271\">inject malicious code<\/a> into the application&#8217;s execution flow.<br \/>\nIn the case of CVE-2025-54007, the vulnerable application accepts serialized objects without proper validation from a user, and these objects are deserialized into <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50754-stored-cross-site-scripting-xss-vulnerability-leading-to-remote-code-execution-in-unisite-cms-5-0\/\"  data-wpil-monitor-id=\"74661\">executable code<\/a>. This allows an attacker to manipulate the application&#8217;s functionality, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49691-heap-based-buffer-overflow-in-windows-media-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"72229\">potentially compromising the system or leading<\/a> to data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1382459740\" 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 an attacker might exploit this vulnerability:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n&quot;serialized_object&quot;: &quot;Serialized malicious object here...&quot;\n}<\/code><\/pre>\n<p>In this example, the attacker sends a serialized malicious object in the body of an HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50849-critical-insecure-direct-object-reference-idor-vulnerability-in-cs-cart-4-18-3\/\"  data-wpil-monitor-id=\"76562\">POST<\/a> request to the vulnerable endpoint. When the application deserializes the object, it executes the malicious code contained within, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30327-integer-overflow-vulnerability-in-incopy-leading-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"73732\">leading to potential<\/a> system compromise or data leakage.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The most effective way to mitigate this vulnerability is to apply the patch provided by the vendor. If a patch is not immediately available or cannot be applied right away, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These systems can be configured to detect and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8059-critical-privilege-escalation-vulnerability-in-b-blocks-wordpress-plugin\/\"  data-wpil-monitor-id=\"76520\">block attempts to exploit this vulnerability<\/a>.<br \/>\nIn the long term, developers should consider implementing secure <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47168-use-after-free-vulnerability-in-microsoft-office-word-allowing-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"73123\">coding practices to prevent deserialization vulnerabilities<\/a>. This includes not <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24777-deserialization-of-untrusted-data-vulnerability-in-awethemes-hillter\/\"  data-wpil-monitor-id=\"72985\">deserializing untrusted data<\/a> and using safe, alternative methods for data transfer and processing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the world of cybersecurity, there is a constant battle between software developers and malicious hackers. Recent trends have shown an increase in the vulnerabilities related to the deserialization of untrusted data. One such vulnerability, CVE-2025-54007, affects PickPlugins Post Grid and Gutenberg Blocks. This vulnerability is particularly concerning as it allows for object injection, [&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-64381","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\/64381","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=64381"}],"version-history":[{"count":14,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64381\/revisions"}],"predecessor-version":[{"id":75057,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64381\/revisions\/75057"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64381"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64381"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64381"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64381"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64381"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64381"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}