CVE-2021-47899

MEDIUM

YetiShare File Hosting Script 5.1.0 - SSRF

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC

by numan türle · textwebappsphp

https://www.exploit-db.com/exploits/49534

View Code ZIP pw:eip

References (4)

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/49534

[Various Sources] https://mfscripts.com

[Various Sources] https://yetishare.com

[Third Party Advisory] https://www.vulncheck.com/advisories/yetishare-file-hosting-script-remote-file-upload-ssrf-vulnerability

Scores

CVSS v3 4.0

EPSS 0.0007

EPSS Percentile 20.2%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-434

Status published

Published Jan 23, 2026

Tracked Since Feb 18, 2026