{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6401", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-04-15T20:30:08.265Z", "datePublished": "2026-05-20T01:25:55.419Z", "dateUpdated": "2026-05-20T14:15:50.660Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-05-20T01:25:55.419Z"}, "affected": [{"vendor": "svil4ok", "product": "Bottom Bar", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "0.1.7", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Bottom Bar plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 0.1.7. This is due to missing nonce verification on the plugin's settings update forms handled in bottom-bar-admin.php. None of the three settings forms (main settings, sharing services, restore defaults) include a wp_nonce_field(), and the server-side processing code never calls check_admin_referer() or any equivalent nonce validation before processing POST data and calling update_option(). This makes it possible for unauthenticated attackers to trick a logged-in administrator into submitting a crafted request that updates plugin configuration options, such as changing the language, maximum post counts, or enabled sharing services."}], "title": "Bottom Bar <= 0.1.7 - Cross-Site Request Forgery to Settings Update", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/db0715ed-a06e-4a68-b9c3-408887cae113?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/bottom-bar/trunk/bottom-bar-admin.php#L16"}, {"url": "https://plugins.trac.wordpress.org/browser/bottom-bar/tags/0.1.7/bottom-bar-admin.php#L16"}, {"url": "https://plugins.trac.wordpress.org/browser/bottom-bar/trunk/bottom-bar-admin.php#L59"}, {"url": "https://plugins.trac.wordpress.org/browser/bottom-bar/tags/0.1.7/bottom-bar-admin.php#L59"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-352 Cross-Site Request Forgery (CSRF)", "cweId": "CWE-352", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Muhammad Nur Ibnu Hubab"}], "timeline": [{"time": "2026-05-19T12:04:46.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-20T14:15:40.602011Z", "id": "CVE-2026-6401", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-20T14:15:50.660Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Bottom Bar plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 0.1.7. This is due to missing nonce verification on the plugin's settings update forms handled in bottom-bar-admin.php. None of the three settings forms (main settings, sharing services, restore defaults) include a wp_nonce_field(), and the server-side processing code never calls check_admin_referer() or any equivalent nonce validation before processing POST data and calling update_option(). This makes it possible for unauthenticated attackers to trick a logged-in administrator into submitting a crafted request that updates plugin configuration options, such as changing the language, maximum post counts, or enabled sharing services."}], "id": "CVE-2026-6401", "lastModified": "2026-05-20T13:54:54.890", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-05-20T02:16:38.213", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/bottom-bar/tags/0.1.7/bottom-bar-admin.php#L16"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/bottom-bar/tags/0.1.7/bottom-bar-admin.php#L59"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/bottom-bar/trunk/bottom-bar-admin.php#L16"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/bottom-bar/trunk/bottom-bar-admin.php#L59"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/db0715ed-a06e-4a68-b9c3-408887cae113?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.1.7]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Bottom Bar", "source": "cna", "vendor": "svil4ok"}, "product": "bottom_bar", "vendor": "svil4ok"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "created": "2026-05-20T03:30:16.232293+00:00", "updated": "2026-05-20T10:38:13.438529+00:00", "vendors": ["svil4ok", "svil4ok$PRODUCT$bottom_bar", "wordpress", "wordpress$PRODUCT$wordpress"]}