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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00175.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Youphptube Subscribe
Youphptube Subscribe

Configuration 1 [-]

cpe:2.3:a:youphptube:youphptube:*:*:*:*:*:*:*:*

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Youphptube Subscribe
Youphptube Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://web.archive.org/web/20170506141644/https://www.youphptube.com/ cve-icon cve-icon
https://www.exploit-db.com/exploits/51101 cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/youphptube-directory-traversal cve-icon cve-icon
History

Mon, 26 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 26 Jan 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

Thu, 22 Jan 2026 23:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:youphptube:youphptube:*:*:*:*:*:*:*:*

Wed, 14 Jan 2026 11:15:00 +0000

Type Values Removed Values Added
First Time appeared Youphptube
Youphptube youphptube
Vendors & Products Youphptube
Youphptube youphptube

Tue, 13 Jan 2026 23:00:00 +0000

Type Values Removed Values Added
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.
Title YouPHPTube <= 7.8 - Directory Traversal
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-26T15:55:02.432Z

Reserved: 2025-12-31T02:09:17.953Z

Link: CVE-2021-47749

cve-icon Vulnrichment

Updated: 2026-01-14T15:54:58.916Z

cve-icon NVD

Status : Modified

Published: 2026-01-13T23:15:48.913

Modified: 2026-01-26T16:15:54.887

Link: CVE-2021-47749

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-14T11:08:23Z

Weaknesses