CVE CVE-2021-47940

CVE-2021-47940

WordPressPHP

Severity: CRITICAL
CVSS: 9.8CVSS
Published: 2026-05-10
Last modified: 2026-05-10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-306

Description

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.

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

Summary

Description

References