YouPHPTube <= 7.8 - Directory Traversal | Advisories

Advisories

YouPHPTube <= 7.8 - Directory Traversal

severity: high
date: January 13, 2026
Affecting: YouPHPTube <= 7.8
CVE: CVE-2021-47749
CWE: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS: 8.7
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References: ExploitDB-51101
Archived YouPHPTube Homepage
Credit: Rafael Pedrero
Description: 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.