CVE-2021-47899
Medium · 4.0CVSS
4.0
EPSS
0.3%
Published
Jan 23, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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