What is CVE-2022-27263?

CVE-2022-27263 is a critical-severity vulnerability in Strapi, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-04-12.

How severe is CVE-2022-27263?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-27263 known to be exploited?

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

Arbitrary file upload in Strapi

CVE-2022-27263

An arbitrary file upload vulnerability in the file upload module of Strapi v4.1.5 allows attackers to execute arbitrary code via a crafted file.

Vulnerability class: Unrestricted File Upload

Published 2022-04-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.032 (87.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.032 · change: +0.002

Affected products

Strapi — versions 4.1.5

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

github.com/strapi/strapi (Third Party Advisory)
www.youtube.com/watch (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-27263?: CVE-2022-27263 is a critical-severity vulnerability in Strapi, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-04-12.
How severe is CVE-2022-27263?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-27263 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.