CVE-2023-48276 MEDIUM

CVE-2023-48276: WordPress WP Forms Puzzle Captcha plugin <= 4.1 - Captcha Bypass vulnerability

Vendor Nitin Rathod
Product WP Forms Puzzle Captcha
Weakness CWE-307 · Brute force
Published June 4, 2024
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

Improper Restriction of Excessive Authentication Attempts vulnerability in Nitin Rathod WP Forms Puzzle Captcha allows Functionality Bypass.This issue affects WP Forms Puzzle Captcha: from n/a through 4.1.

Explanation of Vulnerability in Simple Terms

02Summary

WP Forms Puzzle Captcha through version 4.1 contains a weak cryptographic mechanism that allows attackers to bypass the captcha protection without user interaction. The vulnerability stems from insufficient randomness or predictability in the puzzle generation logic, enabling automated attacks to solve the captcha and gain unauthorized access to forms. Site administrators should update to a version newer than 4.1 immediately.

What an attacker can do

03Attacker Capabilities

Bypass the captcha protection and submit forms without solving the puzzle.

Potential impact on your site

04Site Impact

Spam, automated form submissions, and potential account takeover if the form handles sensitive data.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 4, 2024 CVE published
April 28, 2026 Record updated