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CVE-2025-47550

HighPublished

WordPress Instantio plugin <= 3.3.16 - Arbitrary File Upload Vulnerability

Published: May 7, 2025
Updated: Apr 28, 2026
Assigning CNA: Patchstack
Evidence observed: Aug 8, 2026

Primary CVSS

7.2/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

0.4%

Low · next 30 days

Percentile: 37.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Unrestricted Upload of File with Dangerous Type vulnerability in Themefic Instantio instantio allows Upload a Web Shell to a Web Server.This issue affects Instantio: from n/a through <= 3.3.16.

Sources

CVE-2025-47550Exploit
Instantio - Wordpress Plugin <= 3.3.16 - Authenticated (Admin+) Arbitrary File Upload via ins_options_save

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