CVE-2021-47899

MEDIUM

4.0

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.

CVE Details

CVSS v3.1 Score4.0

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/23/2026

Last Modified1/26/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-434

References

https://mfscripts.com(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49534(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/yetishare-file-hosting-script-remote-file-upload-ssrf-vulnerability(disclosure@vulncheck.com)

https://yetishare.com(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49534(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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