CVE-2025-47550

Public Exploit
WordPress Instantio <= 3.3.16 - Arbitrary File Upload Vulnerability

Description

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.

Remediation

Solution:

  • Update the WordPress Instantio plugin to the latest available version (at least 3.3.17).

Category

6.6
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Third-Party Advisory ryankozak.com Third-Party Advisory github.com Third-Party Advisory patchstack.com
Affected: Themefic Instantio
Published at:
Updated at:

References

Link Tags
https://patchstack.com/database/wordpress/plugin/instantio/vulnerability/wordpress-instantio-3-3-16-arbitrary-file-upload-vulnerability?_s_id=cve third party advisory vdb entry
https://ryankozak.com/posts/cve-2025-47550/ technical description third party advisory exploit
https://github.com/d0n601/CVE-2025-47550/ technical description third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2025-47550?
CVE-2025-47550 has been scored as a medium severity vulnerability.
How to fix CVE-2025-47550?
To fix CVE-2025-47550: Update the WordPress Instantio plugin to the latest available version (at least 3.3.17).
Is CVE-2025-47550 being actively exploited in the wild?
It is possible that CVE-2025-47550 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-47550?
CVE-2025-47550 affects Themefic Instantio.
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