What is CVE-2023-4311?

CVE-2023-4311 is a high-severity vulnerability in Maurice Vrm360, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-12-18.

How severe is CVE-2023-4311?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2023-4311 known to be exploited?

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

Arbitrary file upload in Maurice Vrm360

CVE-2023-4311

The Vrm 360 3D Model Viewer WordPress plugin through 1.2.1 is vulnerable to arbitrary file upload due to insufficient checks in a plugin shortcode.

Vulnerability class: Unrestricted File Upload

Published 2023-12-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Maurice Vrm360
Vrm 360 3d Model Viewer — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/21950116-1a69-4848-9da0-e912096c0fce (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-4311?: CVE-2023-4311 is a high-severity vulnerability in Maurice Vrm360, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-12-18.
How severe is CVE-2023-4311?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-4311 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.