{"id":"CVE-2026-118090","title":"WordPress MasterStudy LMS plugin <= 3.7.55 - PHP Object Injection vulnerability","summary":"Subscriber PHP Object Injection in MasterStudy LMS <= 3.7.55 versions.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-502"],"vendor":"Stylemix","product":"masterstudy-lms-learning-management-system","affected":["masterstudy-lms-learning-management-system >= n/a <= 3.7.55"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-30T18:43:35.216730Z"},"published":"2026-10-30","updated":"2026-10-30","sourceUpdated":"2026-10-30T18:50:06.371Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118090","references":[{"url":"https://patchstack.com/database/wordpress/plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-7-55-php-object-injection-vulnerability?_s_id=cve"}],"tags":["cve.org"],"epss":0.00446,"epssPercentile":0.39061,"ingestedAt":"2026-11-05T16:24:31.389Z","slug":"CVE-2026-118090","body":"## Overview\n\nSubscriber PHP Object Injection in MasterStudy LMS <= 3.7.55 versions.\n\n## Affected\n\n- `masterstudy-lms-learning-management-system >= n/a <= 3.7.55`\n\n## Remediation\n\nUpdate to 3.7.56 or a higher version.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}