CVE-2021-47749: Youphptube

Medium severity, CVSS 5.5. EPSS: 1.8% chance of exploitation in the next 30 days.

YouPHPTube <= 7.8 contains a local file inclusion vulnerability that allows unauthenticated attackers to access arbitrary files by manipulating the 'lang' parameter in GET requests. Attackers can exploit the path traversal flaw in locale/function.php to include and view PHP files outside the intended directory by using directory traversal sequences.

Affected products

• Youphptube Youphptube: up to and including 7.8

Published 2026-01-13. Last modified 2026-06-17.