{"id":"CVE-2021-47749","details":"YouPHPTube \u003c= 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.","modified":"2026-08-27T08:15:12.761816Z","published":"2026-01-13T23:15:48.913Z","references":[{"type":"WEB","url":"https://web.archive.org/web/20170506141644/https://www.youphptube.com/"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/youphptube-directory-traversal"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/51101"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/WWBN/AVideo","events":[{"introduced":"0"},{"last_affected":"12114ba214ccc02c8271c7fe67274dc9ddc3e17f"}],"database_specific":{"cpe":"cpe:2.3:a:youphptube:youphptube:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"7.8"}],"source":"CPE_RANGE"}}],"versions":["7.8","7.7","7.6","7.4","7.3","7.2","4.0","3.4","2.7","2.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47749.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}