CVE-2025-69055 in BM Content Builder Plugin
Summary
by MITRE • 01/22/2026
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in SeaTheme BM Content Builder allows Path Traversal.This issue affects BM Content Builder: from n/a before 3.16.3.3.
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Analysis
by VulDB Data Team • 02/17/2026
The CVE-2025-69055 vulnerability represents a critical path traversal flaw within the SeaTheme BM Content Builder application, specifically impacting versions prior to 3.16.3.3. This vulnerability falls under the CWE-22 category, which defines improper limitation of pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw enables malicious actors to access files and directories outside the intended restricted path, potentially compromising the entire application environment and underlying system resources.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the BM Content Builder's file handling mechanisms. When the application processes user-supplied input for file operations, it fails to properly validate or sanitize pathname parameters, allowing attackers to manipulate directory traversal sequences such as ../ or ..\ to navigate outside the designated safe directories. This weakness typically occurs in web applications where file operations are performed based on user input without adequate path validation, creating opportunities for unauthorized access to sensitive files, configuration data, or system resources that should remain protected.
The operational impact of this vulnerability extends beyond simple unauthorized file access, potentially enabling attackers to execute arbitrary code, escalate privileges, or conduct further reconnaissance within the compromised environment. Attackers could leverage this vulnerability to access database configuration files, application source code, user credentials, or other sensitive data stored within the application's file system. The vulnerability's exploitation risk is particularly high in environments where the web application has elevated privileges or where sensitive data is stored in predictable locations relative to the application's document root. This issue aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing) as attackers may use path traversal to gather information about the target system or to prepare for more sophisticated attacks.
Mitigation strategies for CVE-2025-69055 should focus on implementing robust input validation and sanitization measures, including strict path validation that ensures all file operations occur within designated safe directories. Organizations should immediately upgrade to BM Content Builder version 3.16.3.3 or later, which contains the necessary patches to address this vulnerability. Additional protective measures include implementing proper access controls, restricting file upload capabilities, and employing web application firewalls that can detect and block malicious path traversal attempts. Security teams should also conduct comprehensive code reviews to identify similar vulnerabilities in other components and establish monitoring procedures to detect suspicious file access patterns that may indicate exploitation attempts. The vulnerability demonstrates the critical importance of adhering to secure coding practices and maintaining up-to-date software versions to prevent exploitation of known security flaws.