{"id":"CVE-2026-78284","title":"Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.","summary":"Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.","severity":"high","cvss":8.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","cwe":["CWE-22"],"published":"2026-08-24","updated":"2026-10-12","sourceUpdated":"2026-10-12T15:10:00.207","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78284","references":[{"url":"https://patchstack.com/database/wordpress/plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-7-42-arbitrary-file-deletion-vulnerability?_s_id=cve","label":"audit@patchstack.com"}],"tags":["nvd"],"epss":0.00533,"epssPercentile":0.43382,"ingestedAt":"2026-10-12T15:55:08.140Z","slug":"CVE-2026-78284","body":"## Overview\n\nUnauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":47.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}