Vulnerability · Published Jun 7, 2023 · Assigned by Wordfence

CVE-2021-4350Frontend File Manager <= 18.2 - Unauthenticated HTML Injection leading to Spam Emails

High 7.2

In plain English

A high-severity missing authorization in Frontend File Manager Plugin from nmedia. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)0.7%top 47.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated HTML Injection in versions up to, and including, 18.2. This is due to lacking authentication protections on the wpfm_send_file_in_email AJAX action. This makes it possible for unauthenticated attackers to send emails using the site with a custom subject, recipient email, and body with unsanitized HTML content. This effectively lets the attacker use the site as a spam relay.

Affected products (as reported)

Vendor	Product	Versions
nmedia	Frontend File Manager Plugin	0 – before 18.3

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L

In plain English

Official description

Affected products (as reported)

References