{"id":"CVE-2021-47899","revision":"3a70e5244ea94afa8a1bfffeb9c3ca0b","records":[{"revision":"3a70e5244ea94afa8a1bfffeb9c3ca0b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-47899","aliases":[],"title":"YetiShare File Hosting Script 5.1.0 Remote File Upload SSRF Vulnerability","description":"YetiShare File Hosting Script 5.1.0 contains a server-side request forgery vulnerability that allows attackers to read local system files through the remote file upload feature. Attackers can exploit the url parameter in the url_upload_handler endpoint to access sensitive files like /etc/passwd by using file:/// protocol.","state":0,"publishedAt":"2026-01-23T16:47:42.136+00:00","modifiedAt":"2026-10-01T21:44:53.452+00:00","affected":[{"ecosystem":"Vendor product","name":"YetiShare File Hosting Script","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Mfscripts\",\n                    \"product\": \"YetiShare File Hosting Script\",\n                    \"versions\": [\n                        {\n                            \"version\": \"v5.1.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":4,"severity":"MEDIUM"}],"references":["https://www.exploit-db.com/exploits/49534","https://mfscripts.com/","https://yetishare.com/","https://www.vulncheck.com/advisories/yetishare-file-hosting-script-remote-file-upload-ssrf-vulnerability"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-47899","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-47899","identifiers":["CVE-2021-47899"]},"retained":false,"historicalAffected":[]}],"coverage":[]}