CVE-2026-4091

{"id": "CVE-2026-4091", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4091", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-15T15:48:50.884671Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@wordfence.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@wordfence.com", "affectedData": [{"vendor": "faridsaniee", "product": "OPEN-BRAIN", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "0.5.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-04-15T09:16:33.050", "references": [{"url": "https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L237", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L252", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L253", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L272", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L237", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L252", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L253", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L272", "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/93df6480-9bb1-4f5d-bb39-ff1a01d739cf?source=cve", "source": "security@wordfence.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-352"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-17T10:55:58.700", "sourceIdentifier": "security@wordfence.com"}