Vulnerability · Published Jan 13, 2026 · Assigned by VulnCheck
CVE-2021-47749YouPHPTube <= 7.8 - Directory Traversal
Medium 5.5
In plain English
A medium-severity path traversal in YouPHPTube from YouPHPTube. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.8%top 21.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| YouPHPTube | YouPHPTube | 0 – through 7.8 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- ExploitDB-51101 exploit
- Archived YouPHPTube Homepage product
- VulnCheck Advisory: YouPHPTube <= 7.8 - Directory Traversal third-party-advisory