Modula 2.13.1 - 2.13.2 - Authenticated (Author+) Arbitrary File Upload via Race Condition
Vulnerability Description
The Modula Image Gallery plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'ajax_unzip_file' function in versions 2.13.1 to 2.13.2. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files with race condition on the affected site's server which may make remote code execution possible.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-13646
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Yevhenii Butenko
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/59ee0ca2-846d-4ae8-ad19-7c3826861aeb?source=cve
- https://github.com/WPChill/modula-lite/blob/master/includes/admin/class-modula-gallery-upload.php#L1103
- https://plugins.trac.wordpress.org/changeset/3395701/modula-best-grid-gallery#file5
- https://github.com/WPChill/modula-lite/commit/90c8eb982f71b31584d9be9359e3b594e03927d7
- https://plugins.trac.wordpress.org/changeset/3407949/modula-best-grid-gallery
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