What is CVE-2021-47940?

CVE-2021-47940 is a critical-severity vulnerability in Download-from-files Download From Files, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-05-10.

How severe is CVE-2021-47940?

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

Auth bypass in Download-from-files Download From Files

CVE-2021-47940

WordPress Plugin Download From Files version 1.48 and earlier contains an arbitrary file upload vulnerability that allows unauthenticated attackers to upload malicious files by exploiting the AJAX fileupload action. Attackers can send POST…

Vulnerability class: Broken Authentication

EPSS: 0.001 (35.2th 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

Download-from-files Download From Files — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47940?: CVE-2021-47940 is a critical-severity vulnerability in Download-from-files Download From Files, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-05-10.
How severe is CVE-2021-47940?: Critical severity. CVSS v3 base score is 9.8 out of 10.