WordPress Instantio plugin <= 3.3.16 - Arbitrary File Upload Vulnerability

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Summary

CVECVE-2025-47550
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-05-07 15:16:11 UTC
Updated2026-04-01 17:24:02 UTC
DescriptionUnrestricted 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.

Risk And Classification

Primary CVSS: v3.1 7.2 HIGH from [email protected]

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

Problem Types: CWE-434 | CWE-434 Unrestricted Upload of File with Dangerous Type

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Themefic Instantio All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Themefic Instantio affected 3.3.16 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/Wordpress/Plugin/instantio/vulnerability/wordpress-i... [email protected] patchstack.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Ryan Kozak | Patchstack Bug Bounty Program (en)

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