CVE-2026-57389 in Groundhogg Plugin
Summary
by MITRE • 07/13/2026
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Adrian Tobey Groundhogg groundhogg allows Path Traversal.This issue affects Groundhogg: from n/a through <= 4.4.1.
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Analysis
by VulDB Data Team • 07/13/2026
The vulnerability under discussion represents a classic path traversal flaw that has significant implications for file system security within the Groundhogg plugin ecosystem. This weakness falls squarely within the purview of CWE-22, which specifically addresses improper limitation of pathname to restricted directories, making it a well-documented and widely recognized security concern in software development practices. The vulnerability manifests when the application fails to properly validate or sanitize user-supplied input that is subsequently used in file system operations, creating opportunities for malicious actors to navigate beyond intended directory boundaries.
Groundhogg versions ranging from the initial release through version 4.4.1 are susceptible to this particular path traversal attack vector, indicating that the flaw has persisted across multiple iterations of the software without adequate remediation. The vulnerability stems from insufficient input validation mechanisms that should normally restrict file access to predefined directories and prevent unauthorized traversal through the file system hierarchy. When a malicious user supplies specially crafted input containing sequences such as '../' or similar path manipulation patterns, the application processes these inputs without proper sanitization, potentially allowing access to sensitive files outside of the intended application scope.
The operational impact of this vulnerability extends beyond simple data exposure, as it enables attackers to potentially read arbitrary files from the server filesystem, including configuration files, database credentials, and other sensitive information that should remain protected. This weakness can be exploited through various attack vectors depending on how the plugin integrates with WordPress file system operations, potentially allowing for privilege escalation or further exploitation of the underlying platform. The vulnerability's persistence across multiple versions suggests either inadequate security testing during development cycles or insufficient attention to common security patterns within the codebase.
Security practitioners should consider this weakness in the context of broader ATT&CK framework techniques related to credential access and privilege escalation, where path traversal vulnerabilities often serve as initial footholds for more sophisticated attacks. The remediation approach should focus on implementing proper input validation and sanitization mechanisms that ensure all file system paths are properly constrained within designated directories, utilizing techniques such as canonical path resolution and strict path verification. Additionally, developers should implement defense-in-depth strategies including least privilege access controls and comprehensive logging of file system operations to detect anomalous behavior patterns that may indicate exploitation attempts.