{"id":"CVE-2025-6639","title":"The Tutor LMS Pro – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.8.3 due to missing validation on a user controlled key when viewing a…","summary":"The Tutor LMS Pro – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.8.3 due to missing validation on a user controlled key when viewing a…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-285"],"published":"2025-10-25","updated":"2026-10-08","sourceUpdated":"2026-10-08T11:10:00.250","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-6639","references":[{"url":"https://wordpress.org/plugins/tutor/#developers","label":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8dc16ba4-3c2e-43e2-82a0-b742276b9640?source=cve","label":"security@wordfence.com"}],"tags":["nvd"],"epss":0.00178,"epssPercentile":0.06785,"ingestedAt":"2026-10-08T11:31:27.581Z","slug":"CVE-2025-6639","body":"## Overview\n\nThe Tutor LMS Pro – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.8.3 due to missing validation on a user controlled key when viewing and editing assignments through the tutor_assignment_submit() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to view and edit assignment submissions of other students.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}