{"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":"CVE-2025-54007: Untrusted Data Deserialization Vulnerability in PickPlugins Post Grid and Gutenberg Blocks<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

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<\/a>. This vulnerability is particularly concerning as it allows for object injection<\/a>, which can lead to potential system compromise or data leakage. This blog post aims to provide a detailed understanding of this vulnerability<\/a>, its potential impact, and the steps required to mitigate its risks.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-54007
\nSeverity: High (CVSS: 8.8)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise or data leakage<\/a><\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

PickPlugins Post Grid | n\/a through 2.3.11
\nGutenberg Blocks | n\/a through 2.3.11<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The CVE-2025-54007 vulnerability stems from the deserialization<\/a> of untrusted data within PickPlugins Post Grid and Gutenberg Blocks. Deserialization is the process of converting a serialized 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 inject malicious code<\/a> into the application’s execution flow.
\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 executable code<\/a>. This allows an attacker to manipulate the application’s functionality, potentially compromising the system or leading<\/a> to data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The following is a conceptual example of how an attacker might exploit this vulnerability:<\/p>\n

POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n\"serialized_object\": \"Serialized malicious object here...\"\n}<\/code><\/pre>\n
In this example, the attacker sends a serialized malicious object in the body of an HTTP POST<\/a> request to the vulnerable endpoint. When the application deserializes the object, it executes the malicious code contained within, leading to potential<\/a> system compromise or data leakage.<\/p>\n
Mitigation<\/strong><\/p>\n
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 block attempts to exploit this vulnerability<\/a>.
\nIn the long term, developers should consider implementing secure coding practices to prevent deserialization vulnerabilities<\/a>. This includes not deserializing untrusted data<\/a> and using safe, alternative methods for data transfer and processing.<\/p>\n","protected":false},"excerpt":{"rendered":"
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, […]<\/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,"_monsterinsights_skip_tracking":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":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t