{"id":86877,"date":"2026-04-05T19:15:25","date_gmt":"2026-04-05T19:15:25","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-29421-arbitrary-file-read-vulnerability-in-perfreeblog-v4-0-11","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-29421-arbitrary-file-read-vulnerability-in-perfreeblog-v4-0-11\/","title":{"rendered":"CVE-2025-29421: Arbitrary File Read Vulnerability in PerfreeBlog v4.0.11<\/strong>"},"content":{"rendered":"

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

This report details a significant security vulnerability, known as CVE-2025-29421, identified in PerfreeBlog v4.0.11. This vulnerability, which involves an arbitrary file read issue in the getThemeFileContent function, is of critical concern due to its potential to facilitate system compromise or data leakage. It is crucial for all users and administrators of PerfreeBlog to understand and mitigate this risk.<\/p>\n

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

CVE ID: CVE-2025-29421
\nSeverity: High (CVSS: 7.5)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential for system compromise and data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

PerfreeBlog | v4.0.11<\/p>\n

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

An attacker can exploit this vulnerability by sending a specially crafted request to the getThemeFileContent function. This function, due to insufficient security checks, may allow reading of arbitrary files on the server. As a result, an attacker could potentially gain access to sensitive information, including system files, configuration files, or user data.<\/p>\n

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

Below is a conceptual example illustrating how this vulnerability might be exploited. This is a simplified representation and the actual exploit may involve more complex interactions.<\/p>\n

GET \/getThemeFileContent?file_path=\/etc\/passwd HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json<\/code><\/pre>\n
In the example, the attacker is trying to read the \/etc\/passwd file, which may contain sensitive user information. By sending this request, they could potentially gain access to this file’s contents.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
Users and administrators are advised to apply the vendor’s patch as soon as it becomes available. In the meantime, a temporary mitigation measure could involve the use of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to block attempts to exploit this vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview This report details a significant security vulnerability, known as CVE-2025-29421, identified in PerfreeBlog v4.0.11. This vulnerability, which involves an arbitrary file read issue in the getThemeFileContent function, is of critical concern due to its potential to facilitate system compromise or data leakage. It is crucial for all users and administrators of PerfreeBlog to understand […]<\/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":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-86877","post","type-post","status-publish","format-standard","hentry"],"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