high8.7
CVE-2026-34728
phpMyFAQ: Path Traversal - Arbitrary File Deletion in MediaBrowserController
Impact
phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, the MediaBrowserController::index() method handles file deletion for the media browser. When the fileRemove action is triggered, the user-supplied name parameter is concatenated with the base upload directory path without any path traversal validation. The FILTER_SANITIZE_SPECIAL_CHARS filter only encodes HTML special characters (&, ', ", <, >) and characters with ASCII value < 32, and does not prevent directory traversal sequences like ../. Additionally, the endpoint does not validate CSRF tokens, making it exploitable via CSRF attacks. This issue has been patched in version 4.1.1.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | phpmyfaq/phpmyfaq | <= 4.1.0 | 4.1.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Phpmyfaq | Phpmyfaq | before 4.1.1 |