Form Block Vulnerabilities

The Form Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 1.8.1. This is due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a use...

CVSS:

7.2

(Wordfence)

Affected:

up to 1.8.1

Fixed in:

1.8.2

Disclosed:

Oct 5, 2026

CVE-2026-104814 on NVD →

The Form Block plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the files() function in all versions up to, and including, 1.5.5. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code exe...

CVSS:

9.8

(Wordfence)

Affected:

up to 1.5.5

Fixed in:

1.5.6

Disclosed:

Aug 7, 2025

CVE-2025-54693 on NVD →

The Form Block plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0.1. This is due to missing or incorrect nonce validation on the get_requests() function. This makes it possible for unauthenticated attackers to submit forms on behalf of another user via a forged reques...

CVSS:

4.3

(Wordfence)

Affected:

up to 1.0.2

Fixed in:

1.0.2

Disclosed:

Apr 20, 2023

CVE-2023-30616 on NVD →