CVE-2026-18347

{"id": "CVE-2026-18347", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18347", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-17T15:39:51.047450Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@wordfence.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@wordfence.com", "affectedData": [{"vendor": "themeum", "product": "Kirki \u2013 Freeform Page Builder, Website Builder & Customizer", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "6.1.1"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-16T07:16:30.787", "references": [{"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/API/Frontend/Controllers/CollectionController.php#L97", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/API/Frontend/Controllers/FrontendRESTController.php#L42", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/API/Frontend/Controllers/FrontendRESTController.php#L82", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/Ajax/Users.php#L227", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/HelperFunctions.php#L1098", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/API/Frontend/Controllers/CollectionController.php#L97", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/API/Frontend/Controllers/FrontendRESTController.php#L42", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/API/Frontend/Controllers/FrontendRESTController.php#L82", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/Ajax/Users.php#L227", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/HelperFunctions.php#L1098", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/changeset?reponame=&old=3629933%40kirki&new=3629933%40kirki", "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/fa1e0bcd-f881-4b01-b802-7cb18a22a07f?source=cve", "source": "security@wordfence.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "The Kirki \u2013 Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 6.1.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with custom-level access and above, to read arbitrary user metadata and sensitive user record fields \u2014 including email address, assigned roles, registration date, and any user_meta values \u2014 belonging to any WordPress user including administrators, by supplying a target user ID with a user-type context to the frontend collection endpoint."}], "lastModified": "2026-08-20T12:48:10.287", "sourceIdentifier": "security@wordfence.com"}