CVE-2025-13136 MEDIUM

CVE-2025-13136: GSheetConnector For Ninja Forms <= 2.0.1 - Missing Authorization to Authenticated (Subscriber+) System Information Exposure

Vendor Westerndeal
Product GSheetConnector For Ninja Forms
Weakness CWE-862 · Missing authorization
Published November 22, 2025
Last update April 8, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

The GSheetConnector For Ninja Forms plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'njform-google-sheet-config ' page in all versions up to, and including, 2.0.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to retrieve information about the system.

Explanation of Vulnerability in Simple Terms

02Summary

GSheetConnector For Ninja Forms versions 2.0.1 and earlier lack proper authorization checks, allowing authenticated users to access sensitive information they should not be able to view. A logged-in user with low privileges can read data without proper permission validation. The vulnerability affects the plugin's data handling between Google Sheets and Ninja Forms.

What an attacker can do

03Attacker Capabilities

Read sensitive data from Google Sheets connections without proper authorization.

Potential impact on your site

04Site Impact

Unauthorized users can access confidential form data and Google Sheets information connected via this plugin.

Conditions required to exploit

05Prerequisites

Attacker must be logged in to the WordPress site with at least a low-privilege account.

Key dates

06Disclosure timeline

November 22, 2025 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE