Photo Gallery by 10Web – Mobile-Friendly Image Gallery <= 1.8.23 - Authenticated (Contributor+) Path Traversal via esc_dir Function
Vulnerability Description
The Photo Gallery by 10Web – Mobile-Friendly Image Gallery plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 1.8.23 via the esc_dir function. This makes it possible for authenticated attackers to cut and paste (copy) the contents of arbitrary files on the server, which can contain sensitive information, and to cut (delete) arbitrary directories, including the root WordPress directory. By default this can be exploited by administrators only. In the premium version of the plugin, administrators can give gallery edit permissions to lower level users, which might make this exploitable by users as low as contributors.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Tobias Weißhaar
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/76c38826-4d49-4204-b6b6-b01d01373fa9?source=cve
- https://plugins.trac.wordpress.org/browser/photo-gallery/trunk/filemanager/controller.php#L178
- https://plugins.trac.wordpress.org/browser/photo-gallery/trunk/filemanager/controller.php#L512
- https://plugins.trac.wordpress.org/browser/photo-gallery/trunk/filemanager/controller.php#L436
- https://plugins.trac.wordpress.org/changeset/3098798/
- https://wordpress.org/plugins/photo-gallery/#developers
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