Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2026-4091 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.

CNA: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L237	[email protected]
https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L252	[email protected]
https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L253	[email protected]
https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L272	[email protected]
https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L237	[email protected]
https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L252	[email protected]
https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L253	[email protected]
https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L272	[email protected]
https://www.wordfence.com/threat-intel/vulnerabilities/id/93df6480-9bb1-4f5d-bb39-ff1a01d739cf?source=cve	[email protected]

see all 9 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-352	Cross-Site Request Forgery (CSRF)	[email protected]

Affected Products

This vulnerability is currently being analyzed

Change History

3 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 15, 2026	New CVE Received	[email protected]