CVE-2021-47749

8.7 highEPSS 1.8%

High (8.7) in youphptube youphptube. EPSS 1.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

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

CVSS 3.1

5.5 medium

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

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2026-01-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

youphptube:youphptube

References

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

Check your stack JSON