What is the CVSS score of CVE-2025-47550?

CVE-2025-47550 has a CVSS 3.1 base score of 6.6 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.4%.

Which versions of Themefic Instantio are affected by CVE-2025-47550?

CVE-2025-47550 presents notable security risk, a unrestricted file upload vulnerability rated CVSS 6.6. This could allow unauthorized file access. Proof-of-concept code is publicly available.

Is there a public PoC exploit available for CVE-2025-47550?

Yes, a public proof-of-concept exploit is available for CVE-2025-47550. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2025-47550?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.

Themefic Instantio CVE-2025-47550

MEDIUM

Unrestricted Upload of File with Dangerous Type (CWE-434)

2025-05-07 audit@patchstack.com

File Upload

6.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.6 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Severity Changed

Apr 23, 2026 - 15:42 NVD

HIGH MEDIUM

CVSS changed

Apr 23, 2026 - 15:42 NVD

7.2 (HIGH) 6.6 (MEDIUM)

PoC Detected

Apr 01, 2026 - 17:24 vuln.today

Public exploit code

Analysis Generated

Mar 28, 2026 - 18:40 vuln.today

CVE Published

May 07, 2025 - 15:16 nvd

HIGH 7.2

DescriptionCVE.org

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.

AnalysisAI

Unrestricted Upload of File with Dangerous Type vulnerability in Themefic Instantio allows Upload a Web Shell to a Web Server.3.16. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Unrestricted Upload of File with Dangerous Type vulnerability in Themefic Instantio allows Upload a Web Shell to a Web Server.3.16. Affected products include: Themefic Instantio. Version information: through 3.3.16..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

CVE-2025-47550 vulnerability details – vuln.today

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