What is CVE-2022-4732?

CVE-2022-4732 is a high-severity vulnerability in Microweber, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2022-12-27.

How severe is CVE-2022-4732?

High severity. CVSS v3 base score is 7.2 out of 10.

Arbitrary file upload in Microweber

CVE-2022-4732

Unrestricted Upload of File with Dangerous Type in GitHub repository microweber/microweber prior to 1.3.2.

Vulnerability class: Unrestricted File Upload

Published 2022-12-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.382 (98.5th percentile), scored 2026-09-27.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.382 · newest: 0.382 · change: 0.000

Affected products

Microweber
Microweber Microweber/microweber — versions unspecified

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

huntr.dev/bounties/d5be2e96-1f2f-4357-a385-e184cf0119aa (Exploit, Patch, Third Party Advisory)
github.com/microweber/microweber/commit/0d279ac81052ce7ee97c18c811a9b8e912189da0 (Third Party Advisory)

Frequently asked questions

What is CVE-2022-4732?: CVE-2022-4732 is a high-severity vulnerability in Microweber, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2022-12-27.
How severe is CVE-2022-4732?: High severity. CVSS v3 base score is 7.2 out of 10.