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CVE-2021-47749

YouPHPTube <= 7.8 - Directory Traversal

Published: Jan 13, 2026Updated: Jan 26, 2026 Sources: CVE List NVDCWE-22
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
1.6%
Top 26.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-22

Affected Products

YouPHPTubeYouPHPTube
On-prem
Web & CMS Plugins / cms-core
youphptubeyouphptube
On-prem
Web & CMS Plugins / cms-core
youphptubeoss-projectCNWeb & CMS Pluginsaka you php tube, youphptube encoder

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://www.exploit-db.com/exploits/51101
exploit-db.com
https://web.archive.org/web/20170506141644/https://www.youphptube.com/
web.archive.org
https://www.vulncheck.com/advisories/youphptube-directory-traversal
vulncheck.com

Timeline

Published
Jan 13, 2026
Last Updated
Jan 26, 2026

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