What is CVE-2025-47550?

CVE-2025-47550 is a medium-severity vulnerability in Themefic Instantio, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.6/10. Published 2025-05-07.

How severe is CVE-2025-47550?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Is CVE-2025-47550 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Themefic Instantio

CVE-2025-47550

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.004 (60.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L.

Affected products

Themefic Instantio — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

patchstack.com/database/Wordpress/Plugin/instantio/vulnerability/wordpress-inst… (vdb-entry)

Frequently asked questions

What is CVE-2025-47550?: CVE-2025-47550 is a medium-severity vulnerability in Themefic Instantio, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.6/10. Published 2025-05-07.
How severe is CVE-2025-47550?: Medium severity. CVSS v3 base score is 6.6 out of 10.
Is CVE-2025-47550 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.