{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66398", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-07-26T12:22:34.139Z", "datePublished": "2026-07-27T15:43:48.063Z", "dateUpdated": "2026-07-27T16:21:25.582Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-27T15:43:48.063Z"}, "datePublic": "2026-07-13T00:00:00.000Z", "title": "phpMyFAQ before 4.1.6 Remote Code Execution via Configuration API", "descriptions": [{"lang": "en", "value": "phpMyFAQ before v4.1.6 contains a remote code execution vulnerability in the configuration API that allows authenticated administrators with CONFIGURATION_EDIT and ATTACHMENT_ADD privileges to write arbitrary PHP files by manipulating the upgrade.lastDownloadedPackage setting. Attackers can upload a malicious ZIP file as an attachment, point the updater configuration to its stored path, and extract it into the application root to achieve code execution as the web server user."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Download of Code Without Integrity Check", "cweId": "CWE-494", "type": "CWE"}]}], "affected": [{"vendor": "thorsten", "product": "phpMyFAQ", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "4.1.6"}, {"version": "4.1.6", "status": "unaffected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "baseScore": 9.4, "baseSeverity": "CRITICAL"}}], "references": [{"url": "https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-4fv7-8rr6-rf2w", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-4fv7-8rr6-rf2w)"}, {"name": "VulnCheck Advisory: phpMyFAQ before 4.1.6 Remote Code Execution via Configuration API", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/phpmyfaq-before-remote-code-execution-via-configuration-api"}], "credits": [{"lang": "en", "value": "ImDuong", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"references": [{"url": "https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-4fv7-8rr6-rf2w", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-27T16:21:02.480292Z", "id": "CVE-2026-66398", "options": [{"Exploitation": "poc"}, {"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": "2026-07-27T16:21:25.582Z"}}]}}

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