CVE-2021-47749

Published: Jan 13, 2026Modified: Jan 26, 2026

8.7

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: disclosure@vulncheck.com (Secondary)

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.

Affected (1)

Products: Youphptube: Youphptube

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Youphptube Youphptube	Up to 7.8

Related CWEs

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (4)

https://web.archive.org/web/20170506141644/https://www.youphptube.com/

Source: disclosure@vulncheck.com

Not Applicable

https://www.exploit-db.com/exploits/51101

Source: disclosure@vulncheck.com

ExploitThird Party AdvisoryVDB Entry

https://www.vulncheck.com/advisories/youphptube-directory-traversal

Source: disclosure@vulncheck.com

Third Party Advisory

https://www.exploit-db.com/exploits/51101

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

ExploitThird Party AdvisoryVDB Entry

Timeline

No history available yet.