What is CVE-2026-3844?

CVE-2026-3844 is a critical-severity vulnerability in Cloudways Breeze Cache, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-04-23.

How severe is CVE-2026-3844?

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

Is CVE-2026-3844 known to be exploited?

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

Arbitrary file upload in Cloudways Breeze Cache

CVE-2026-3844

The Breeze Cache plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'fetch_gravatar_from_remote' function in all versions up to, and including, 2.4.4. This makes it possible for unauthen…

Vulnerability class: Unrestricted File Upload

EPSS: 0.293 (96.7th percentile) — read the EPSS interpretation.

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.

Affected products

Cloudways Breeze Cache — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-3844?: CVE-2026-3844 is a critical-severity vulnerability in Cloudways Breeze Cache, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-04-23.
How severe is CVE-2026-3844?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-3844 known to be exploited?: 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.