{"id":"CVE-2026-82845","title":"The Masteriyo LMS  WordPress plugin before 3.4.1 does not prevent user-supplied values held as metadata from being deserialized when they are read back, allowing users with a minimal account to inject arbitrary PHP objects and, by way of…","summary":"The Masteriyo LMS  WordPress plugin before 3.4.1 does not prevent user-supplied values held as metadata from being deserialized when they are read back, allowing users with a minimal account to inject arbitrary PHP objects and, by way of…","severity":"critical","cvss":9.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-502"],"product":"Masteriyo LMS","affected":["masteriyo_lms < 3.4.1"],"published":"2026-09-12","updated":"2026-09-14","sourceUpdated":"2026-09-14T21:10:17.423","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82845","references":[{"url":"https://wpscan.com/vulnerability/5ced30ea-8b78-495f-b10c-42b3f10adcb3/","label":"contact@wpscan.com"}],"tags":["nvd","cve.org"],"epss":0.00354,"epssPercentile":0.29259,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-12T15:22:11.992349Z"},"ingestedAt":"2026-09-14T15:23:07.478Z","slug":"CVE-2026-82845","body":"## Overview\n\nThe Masteriyo LMS  WordPress plugin before 3.4.1 does not prevent user-supplied values held as metadata from being deserialized when they are read back, allowing users with a minimal account to inject arbitrary PHP objects and, by way of a class shipped in a library bundled with the Masteriyo LMS  WordPress plugin before 3.4.1, write and execute arbitrary code on the server. A weaker form of the same issue is reachable without an account and yields an arbitrary file write rather than code execution.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":54.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}