CVE-2021-47749 - CVE House
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Status published High CVE-2021-47749

YouPHPTube <= 7.8 - Directory Traversal

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Rafael Pedrero

References

More from YouPHPTube

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CVE-2021-47750
YouPHPTube <= 7.8 - Cross-Site Scripting
Medium 5.1

Affected Vendor

Affected Software

YouPHPTube
Vulnerable Versions:
0

Timeline

Official Publish: January 13th, 2026
Last Modified: May 14th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-22

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1005 Data from Local System
Collection
T1552 Unsecured Credentials
Credential Access
T1565.001 Stored Data Manipulation
Impact