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CVE

CWE

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CVE-2021-47899

Published: Jan 23, 2026

Modified: Jan 23, 2026

PUBLISHED

CVSS v3.1

4.0

MEDIUM

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.

Vendor	Product	Versions
Mfscripts	YetiShare File Hosting Script	affected `v5.1.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

ExploitDB-49534

exploit

Vendor Homepage

product

Software Product Page

product

VulnCheck Advisory: YetiShare File Hosting Script 5.1.0 Remote File Upload SSRF Vulnerability

third-party-advisory

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