CVE-2014-5298: x2engine

Medium severity, CVSS 5.0. EPSS: 3% chance of exploitation in the next 30 days.

FileUploadsFilter.php in X2Engine 4.1.7 and earlier, when running on case-insensitive file systems, allows remote attackers to bypass the upload blacklist and conduct unrestricted file upload attacks by uploading a file with an executable extension that contains uppercase letters, as demonstrated using a PHP program.

Affected products

• x2engine x2engine: up to and including 4.1.7

Published 2014-10-10. Last modified 2026-06-17.