CVE-2026-4091

MEDIUM

OPEN-BRAIN <= 0.5.0 - Cross-Site Request Forgery

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 6.1
EPSS 0.0003
EPSS Percentile 8.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-352
Status published
Products (1)
faridsaniee/OPEN-BRAIN < 0.5.0
Published Apr 15, 2026
Tracked Since Apr 15, 2026