{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18346", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-07-29T22:33:17.256Z", "datePublished": "2026-09-19T08:27:21.808Z", "dateUpdated": "2026-09-19T08:27:21.808Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-09-19T08:27:21.808Z"}, "affected": [{"vendor": "tiktokbusinessplugin", "product": "TikTok", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.4.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The TikTok plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.4.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to overwrite the merchant's stored TikTok integration access token in wp_options, hijacking the site's TikTok Business and product catalog integration. Successful exploitation requires the attacker to supply a valid TikTok OAuth auth_code issued for the merchant's registered TikTok app, as the plugin's token exchange must receive a message='OK' response from TikTok's API before the stored access token is overwritten."}], "title": "TikTok <= 1.4.1 - Missing Authorization to Unauthenticated TikTok Integration Takeover via 'auth_code' Parameter", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/31233f4e-4cd5-497f-9e8a-c65635596241?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/tiktok-for-business/tags/1.4.0/admin/Tt4b_Menu_Class.php#L417"}, {"url": "https://plugins.trac.wordpress.org/browser/tiktok-for-business/tags/1.4.0/admin/tt4b_menu.php#L13"}, {"url": "https://plugins.trac.wordpress.org/browser/tiktok-for-business/tags/1.4.0/admin/Tt4b_Menu_Class.php#L397"}, {"url": "https://plugins.trac.wordpress.org/browser/tiktok-for-business/tags/1.4.0/mapi/Tt4b_Mapi_Class.php#L332"}, {"url": "https://plugins.trac.wordpress.org/changeset?reponame=&old=3699236%40tiktok-for-business&new=3699236%40tiktok-for-business"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-862 Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Hillary Mutai"}], "timeline": [{"time": "2026-09-18T19:51:26.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "TikTok", "vendor": "tiktokbusinessplugin", "versions": [{"lessThanOrEqual": "1.4.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The TikTok plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.4.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to overwrite the merchant's stored TikTok integration access token in wp_options, hijacking the site's TikTok Business and product catalog integration. Successful exploitation requires the attacker to supply a valid TikTok OAuth auth_code issued for the merchant's registered TikTok app, as the plugin's token exchange must receive a message='OK' response from TikTok's API before the stored access token is overwritten."}], "id": "CVE-2026-18346", "lastModified": "2026-09-19T09:16:33.553", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-09-19T09:16:33.553", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/tiktok-for-business/tags/1.4.0/admin/Tt4b_Menu_Class.php#L397"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/tiktok-for-business/tags/1.4.0/admin/Tt4b_Menu_Class.php#L417"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/tiktok-for-business/tags/1.4.0/admin/tt4b_menu.php#L13"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/tiktok-for-business/tags/1.4.0/mapi/Tt4b_Mapi_Class.php#L332"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?reponame=&old=3699236%40tiktok-for-business&new=3699236%40tiktok-for-business"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/31233f4e-4cd5-497f-9e8a-c65635596241?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{}