{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73373","assignerOrgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","state":"PUBLISHED","assignerShortName":"Joomla","dateReserved":"2026-08-12T14:00:09.041Z","datePublished":"2026-08-18T16:03:43.586Z","dateUpdated":"2026-08-19T04:44:31.649Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Joomla! CMS","vendor":"Joomla! Project","versions":[{"status":"affected","version":"1.0.0-5.4.6"},{"status":"affected","version":"6.0.0-6.1.2"}]},{"defaultStatus":"unaffected","product":"Joomla! Framework Filesystem package","vendor":"Joomla! Project","versions":[{"status":"affected","version":"1.0.0-3.3.0"},{"status":"affected","version":"4.0.0-4.2.0"}]}],"credits":[{"lang":"en","type":"finder","value":"Valentin Lobstein (Chocapikk)"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution."}],"value":"Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.9,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","description":"CWE-434 Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","shortName":"Joomla","dateUpdated":"2026-08-19T04:44:31.649Z"},"references":[{"tags":["product"],"url":"https://www.joomla.org/"},{"tags":["vendor-advisory"],"url":"https://developer.joomla.org/security-centre/1077-20260810-core-unrestricted-uploads-of-shtml-files.html"}],"source":{"discovery":"UNKNOWN"},"title":"Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-18T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-73373"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-19T03:56:04.093Z"}}]}}