CVE-2021-47899

4.0 MEDIUM
Published: January 23, 2026 Modified: January 26, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://mfscripts.com
Source: disclosure@vulncheck.com
https://www.exploit-db.com/exploits/49534
Source: disclosure@vulncheck.com
https://yetishare.com
Source: disclosure@vulncheck.com
https://www.exploit-db.com/exploits/49534
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.0 / 10.0
EPSS (Exploit Probability)
0.1%
19th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)