What is CVE-2022-40048?

CVE-2022-40048 is a high-severity vulnerability in Flatpress, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2022-09-29.

How severe is CVE-2022-40048?

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

Arbitrary file upload in Flatpress

CVE-2022-40048

Flatpress v1.2.1 was discovered to contain a remote code execution (RCE) vulnerability in the Upload File function.

Vulnerability class: Unrestricted File Upload

Published 2022-09-29 · last modified 2026-07-09.

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: 0.017 (75.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.017 · change: +0.003

Affected products

Flatpress — versions 1.2.1

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

af854a3a-2127-422b-91ae-364da2661108 (Product, URL Repurposed)
github.com/flatpressblog/flatpress/issues/152 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-40048?: CVE-2022-40048 is a high-severity vulnerability in Flatpress, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2022-09-29.
How severe is CVE-2022-40048?: High severity. CVSS v3 base score is 7.2 out of 10.