AUGUST 4, 2026
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Case File

CVE-2026-4091

MEDIUM · CVSS 6.1 EPSS 0.21%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-04-15 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. It affects WordPress. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-4091
Severity
MEDIUM
CVSS
6.1
EPSS
0.21%
WordPress

Original NVD Description

The OPEN-BRAIN plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.5.0. This is due to missing nonce verification on the settings form in the func_page_main() function. This makes it possible for unauthenticated attackers to inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.