{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56290", "assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586", "state": "PUBLISHED", "assignerShortName": "Joomla", "dateReserved": "2026-06-20T11:57:32.752Z", "datePublished": "2026-06-29T14:31:37.952Z", "dateUpdated": "2026-06-29T14:31:37.952Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "JoomlaCK.fr Page Builder CK extension for Joomla", "vendor": "joomlack.fr", "versions": [{"status": "affected", "version": "1.0-3.6.0"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Phil Taylor"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE."}], "value": "The Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE."}], "impacts": [{"capecId": "CAPEC-242", "descriptions": [{"lang": "en", "value": "CAPEC-242: Code Injection"}]}], "metrics": [{"cvssV4_0": {"Automatable": "YES", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 10, "baseSeverity": "CRITICAL", "exploitMaturity": "ATTACKED", "privilegesRequired": "NONE", "providerUrgency": "RED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "CWE-284 Improper Access Control", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586", "shortName": "Joomla", "dateUpdated": "2026-06-29T14:31:37.952Z"}, "references": [{"tags": ["product"], "url": "https://www.joomlack.fr/"}], "source": {"discovery": "UNKNOWN"}, "title": "Joomla Extension - joomlack.fr - Unauthenticated file upload in Page Builder CK extension < 3.6.0", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

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