CVE-2025-59002 in BM Content Builder Plugin
Summary
by MITRE • 09/26/2025
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 through n/a.
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Analysis
by VulDB Data Team • 09/26/2025
The CVE-2025-59002 vulnerability represents a critical path traversal flaw within the SeaTheme BM Content Builder application, classified under the CWE-22 weakness category which specifically addresses improper limitation of pathname to restricted directory. This vulnerability stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied data when processing file paths or directory references. The flaw allows malicious actors to manipulate file system access by traversing beyond intended directories through crafted input sequences that bypass normal access controls.
The technical implementation of this vulnerability occurs when the BM Content Builder application processes user-provided parameters without adequate sanitization or validation of path components. Attackers can exploit this weakness by submitting specially crafted file paths containing sequences such as "../" or similar traversal patterns that allow them to navigate the file system hierarchy beyond the intended restricted directories. This improper handling of pathname components creates an attack surface where unauthorized file access, modification, or execution becomes possible.
Operationally, this vulnerability presents significant risks to systems running the affected BM Content Builder software, particularly in environments where the application handles user uploads or file operations. An attacker could potentially access sensitive configuration files, system binaries, or other restricted resources that should remain protected from unauthorized access. The impact extends beyond simple data exposure to include potential privilege escalation scenarios where attackers might gain elevated system access through manipulation of the file system traversal mechanism.
The exploitation of this vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter and T1566.001 for spearphishing attachments, as attackers might leverage path traversal to place malicious files in system directories or access existing system files for further exploitation. Security practitioners should consider this vulnerability as part of a broader attack chain that could lead to complete system compromise, particularly in environments where the content builder application has elevated privileges or operates within restricted directories.
Mitigation strategies for CVE-2025-59002 should include immediate implementation of proper input validation and sanitization mechanisms that enforce strict path validation before any file system operations occur. Organizations must ensure that all user-supplied input undergoes comprehensive filtering to prevent traversal sequences from being processed. Additionally, implementing principle of least privilege access controls, regular security updates, and monitoring for anomalous file system access patterns can help detect and prevent exploitation attempts. The vulnerability demonstrates the critical importance of input validation in preventing directory traversal attacks and underscores the necessity of following secure coding practices as outlined in OWASP Top Ten and NIST cybersecurity guidelines.