What is CVE-2021-47749?

CVE-2021-47749 is a medium-severity vulnerability in Youphptube, classified under Path Traversal. CVSS score: 5.5/10. Published 2026-01-13.

How severe is CVE-2021-47749?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Path Traversal in Youphptube

CVE-2021-47749

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/f…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.016 (73.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Youphptube — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
disclosure@vulncheck.com (product, Not Applicable)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2021-47749?: CVE-2021-47749 is a medium-severity vulnerability in Youphptube, classified under Path Traversal. CVSS score: 5.5/10. Published 2026-01-13.
How severe is CVE-2021-47749?: Medium severity. CVSS v3 base score is 5.5 out of 10.