{"id":"CVE-2026-93779","aliases":["EUVD-2026-118908","GHSA-c873-m8w7-q26f"],"status":"published","title":"Tutor LMS \u003c= 4.1.2 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Exposure via REST API Endpoints","description":"The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.2 via the init_routes due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to read paid course lesson and topic content without enrollment, retrieve quiz answer keys including the is_correct field before attempting a quiz, and enumerate the email addresses, usernames, and registration data of other users including instructors and administrators. Exploitation requires that the attacker hold a valid Tutor LMS API key/secret pair, which is issued to subscriber-level users through the plugin's API key management feature.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00406,"percentile":0.35227,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-11-07T04:27:13Z","modified":"2026-11-07T06:31:30Z","products":[{"vendor":"themeum","product":"tutor lms – elearning and online course solution"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/b0c8b586-784e-43a4-8bb8-c7cb771476a4?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.9/classes/RestAPI.php#L460"},{"url":"https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.9/classes/RestAPI.php#L376"},{"url":"https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.9/classes/RestAPI.php#L418"},{"url":"https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.9/restapi/REST_Course.php#L303"},{"url":"https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.9/restapi/REST_Quiz.php#L209"},{"url":"https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.9/restapi/REST_Author.php#L43"},{"url":"https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.9/restapi/RestAuth.php#L331"},{"url":"https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.9/classes/RestAPI.php#L135"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3748228%40tutor\u0026new=3748228%40tutor"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93779"},{"url":"https://github.com/advisories/GHSA-c873-m8w7-q26f"}],"sources":{"cve":[{"id":"CVE-2026-93779","title":"Tutor LMS \u003c= 4.1.2 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Exposure via REST API Endpoints","description":"The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.2 via the init_routes due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to read paid course lesson and topic content without enrollment, retrieve quiz answer keys including the is_correct field before attempting a quiz, and enumerate the email addresses, usernames, and registration data of other users including instructors and administrators. Exploitation requires that the attacker hold a valid Tutor LMS API key/secret pair, which is issued to subscriber-level users through the plugin's API key management feature.","status":"published","published":"2026-11-07T04:27:13.948Z","modified":"2026-11-08T19:05:24.622Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-07T05:32:42.683254Z"}],"euvd":[{"id":"EUVD-2026-118908","description":"The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.2 via the init_routes due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to read paid course lesson and topic content without enrollment, retrieve quiz answer keys including the is_correct field before attempting a quiz, and enumerate the email addresses, usernames, and registration data of other users including instructors and administrators. Exploitation requires that the attacker hold a valid Tutor LMS API key/secret pair, which is issued to subscriber-level users through the plugin's API key management feature.","status":"published","published":"2026-11-07T04:27:13Z","modified":"2026-11-08T19:05:24Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-07T09:08:56.024426Z"}],"ghsa":[{"id":"GHSA-c873-m8w7-q26f","title":"The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to...","description":"The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.2 via the init_routes due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to read paid course lesson and topic content without enrollment, retrieve quiz answer keys including the is_correct field before attempting a quiz, and enumerate the email addresses, usernames, and registration data of other users including instructors and administrators. Exploitation requires that the attacker hold a valid Tutor LMS API key/secret pair, which is issued to subscriber-level users through the plugin's API key management feature.","status":"published","published":"2026-11-07T06:31:23Z","modified":"2026-11-07T06:31:30Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-07T06:36:01.089885Z"}],"nvd":[{"id":"CVE-2026-93779","description":"The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.2 via the init_routes due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to read paid course lesson and topic content without enrollment, retrieve quiz answer keys including the is_correct field before attempting a quiz, and enumerate the email addresses, usernames, and registration data of other users including instructors and administrators. Exploitation requires that the attacker hold a valid Tutor LMS API key/secret pair, which is issued to subscriber-level users through the plugin's API key management feature.","status":"published","published":"2026-11-07T05:19:02.86Z","modified":"2026-11-08T19:17:43.61Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-08T22:11:13.443661Z"}]}}