File Download Vulnerability in Frontend File Manager Plugin by WordPress
CVE-2026-8379

7.5HIGH

Key Information:

Vendor

WordPress

Vendor
CVE Published:
23 June 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-8379?

The Frontend File Manager Plugin for WordPress has a critical flaw in its nonce verification process on the file download handler. This weakness allows unauthorized users to download any files uploaded by users utilizing the plugin. Attackers can leverage this vulnerability by manipulating file identifiers, thereby gaining access to sensitive files uploaded by legitimate users. This poses a significant risk for any WordPress site utilizing this plugin, potentially exposing sensitive information without user authentication.

Affected Version(s)

Frontend File Manager Plugin 0 <= 23.6

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alexander Jurkschat
WPScan
.