{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5502", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-04-03T15:48:58.659Z", "datePublished": "2026-04-17T03:36:45.463Z", "dateUpdated": "2026-04-17T03:36:45.463Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-17T03:36:45.463Z"}, "affected": [{"vendor": "themeum", "product": "Tutor LMS \u2013 eLearning and online course solution", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "3.9.8", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Tutor LMS \u2013 eLearning and online course solution plugin for WordPress is vulnerable to unauthorized course content manipulation in versions up to and including 3.9.8. This is due to a missing authorization check in the tutor_update_course_content_order() function. The function only validates the nonce (CSRF protection) but does not verify whether the user has permission to manage course content. The can_user_manage() authorization check only executes when the 'content_parent' parameter is present in the request. When this parameter is omitted, the function proceeds directly to save_course_content_order() which manipulates the wp_posts table without any authorization validation. This makes it possible for authenticated attackers with subscriber-level access and above to detach all lessons from any topic, move lessons between topics, and modify the menu_order of course content, effectively allowing them to disrupt the structure of any course on the site."}], "title": "Tutor LMS <= 3.9.8 - Authenticated (Subscriber+) Arbitrary Course Content Manipulation via tutor_update_course_content_order", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f32ae42d-dd1f-41d7-8ae4-ddec56d78ae6?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.7/classes/Course.php#L1700"}, {"url": "https://plugins.trac.wordpress.org/browser/tutor/trunk/classes/Course.php#L1789"}, {"url": "https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.7/classes/Course.php#L1789"}, {"url": "https://plugins.trac.wordpress.org/browser/tutor/trunk/classes/Course.php#L1700"}, {"url": "https://plugins.trac.wordpress.org/changeset/3505142/tutor/tags/3.9.9/classes/Course.php"}], "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": "momopon1415"}], "timeline": [{"time": "2026-04-03T16:04:07.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-04-16T15:10:34.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Tutor LMS \u2013 eLearning and online course solution plugin for WordPress is vulnerable to unauthorized course content manipulation in versions up to and including 3.9.8. This is due to a missing authorization check in the tutor_update_course_content_order() function. The function only validates the nonce (CSRF protection) but does not verify whether the user has permission to manage course content. The can_user_manage() authorization check only executes when the 'content_parent' parameter is present in the request. When this parameter is omitted, the function proceeds directly to save_course_content_order() which manipulates the wp_posts table without any authorization validation. This makes it possible for authenticated attackers with subscriber-level access and above to detach all lessons from any topic, move lessons between topics, and modify the menu_order of course content, effectively allowing them to disrupt the structure of any course on the site."}], "id": "CVE-2026-5502", "lastModified": "2026-04-17T05:16:19.117", "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": "2026-04-17T05:16:19.117", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.7/classes/Course.php#L1700"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.7/classes/Course.php#L1789"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/tutor/trunk/classes/Course.php#L1700"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/tutor/trunk/classes/Course.php#L1789"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3505142/tutor/tags/3.9.9/classes/Course.php"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f32ae42d-dd1f-41d7-8ae4-ddec56d78ae6?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}