CVE-2026-34728
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
phpmyfaq/phpmyfaqPackagist | < 4.1.1 | 4.1.1 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/thorsten/phpMyFAQ/security/advisories/GHSA-38m8-xrfj-v38xnvdExploitMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-38m8-xrfj-v38xghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-34728ghsaADVISORY
- github.com/thorsten/phpMyFAQ/releases/tag/4.1.1nvdProductWEB
News mentions
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