CVE-2026-25315 MEDIUM

CVE-2026-25315: WordPress hCaptcha for WP plugin <= 4.21.1 - Broken Access Control vulnerability

Vendor Hcaptcha
Product hCaptcha for WP
Weakness CWE-862 · Missing authorization
Published February 19, 2026
Last update April 28, 2026

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

Missing Authorization vulnerability in hcaptcha hCaptcha for WP hcaptcha-for-forms-and-more allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects hCaptcha for WP: from n/a through <= 4.21.1.

Explanation of Vulnerability in Simple Terms

02Summary

The hCaptcha for WP plugin through version 4.21.1 fails to properly check user permissions before allowing access to certain functions. An attacker without authentication can read sensitive information exposed by the plugin. Update to a version newer than 4.21.1 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Read sensitive information from the plugin without logging in.

Potential impact on your site

04Site Impact

Unauthorized visitors can access data the plugin exposes, potentially including configuration or user details.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

February 19, 2026 CVE published
April 28, 2026 Record updated