CVE-2021-47940

WordPress Download From Files 1.48 Arbitrary File Upload

CVSS 9.3 CRITICALEPSS 0.4%CWE-306

Vexday Risk Score

48Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 9.3EPSS 0.4%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

10 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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 requests to the admin-ajax.php endpoint with the download_from_files_617_fileupload action, manipulating the allowExt parameter to bypass file type restrictions and upload executable files like PHP shells to the web root.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

download-from-files · Download From Files

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/50287unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://wordpress.org/plugins/download-from-files/https://www.exploit-db.com/exploits/50287 https://www.vulncheck.com/advisories/wordpress-download-from-files-arbitrary-file-upload