CVE-2021-4356 describes a critical unauthenticated arbitrary file download vulnerability in the Frontend File Manager plugin for WordPress, affecting versions up to 18.2. This flaw, rated 9.8 CRITICAL, stems from missing authentication and sanitization in the wpfm_file_meta_update AJAX action, allowing unauthenticated attackers to download any file on the server, potentially leading to full site compromise. While the vulnerability is severe, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB) and it shows no signs of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 18.2CPE matchmatch criteria | cpe:2.3:a:najeebmedia:frontend_file_manager_plugin:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.