{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-82845", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-08-31T08:27:16.968Z", "datePublished": "2026-09-12T06:00:09.956Z", "dateUpdated": "2026-09-12T15:33:08.896Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-12T06:00:09.956Z" }, "title": "Masteriyo LMS < 3.4.1 - Subscriber+ PHP Object Injection", "problemTypes": [ { "descriptions": [ { "description": "CWE-502 Deserialization of Untrusted Data", "lang": "en", "type": "CWE" } ] } ], "affected": [ { "vendor": "Unknown", "product": "Masteriyo LMS", "versions": [ { "status": "affected", "versionType": "semver", "version": "0", "lessThan": "3.4.1" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "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 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." } ], "references": [ { "url": "https://wpscan.com/vulnerability/5ced30ea-8b78-495f-b10c-42b3f10adcb3/", "tags": [ "exploit", "vdb-entry", "technical-description" ] } ], "credits": [ { "lang": "en", "value": "Karthik Ramakrishnan", "type": "finder" }, { "lang": "en", "value": "WPScan", "type": "coordinator" } ], "source": { "discovery": "EXTERNAL" }, "x_generator": { "engine": "WPScan CVE Generator" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-502", "lang": "en", "description": "CWE-502 Deserialization of Untrusted Data" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-12T15:22:11.992349Z", "id": "CVE-2026-82845", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-12T15:33:08.896Z" } } ] } }