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CVE-2025-47550

WordPress Instantio plugin <= 3.3.16 - Arbitrary File Upload Vulnerability

6.6 MediumPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.46%Up 0.4 points since May 8, 2025
90%50%10%1%

What each source reports

CVE List Score used 6.6

WordPress Instantio plugin <= 3.3.16 - Arbitrary File Upload Vulnerability

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.

Record
CVE-2025-47550
CVSS 3.1
6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Weakness
CWE-434
Updated
2026-11-02
EUVDEUVD-2025-13786 6.6

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.

Record
EUVD-2025-13786
CVSS 3.1
6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-9gm2-8g95-pwq8 6.6

Unrestricted Upload of File with Dangerous Type vulnerability in Themefic Instantio allows Upload...

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

Record
GHSA-9gm2-8g95-pwq8
CVSS 3.1
6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Weakness
CWE-434
Updated
2026-11-02
NVD 6.6

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.

Record
CVE-2025-47550
CVSS 3.1
6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubd0n601/CVE-2025-475502025-05-07

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-47550 is a medium vulnerability (CVSS 6.6) in Themefic Instantio, published May 7, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. No source names a fixed version.

References

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