{"id":"CVE-2016-9836","aliases":["EUVD-2016-10636","GHSA-43p3-cf56-rpqr"],"status":"published","title":"The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not...","description":"The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not consider alternative PHP file extensions when checking uploaded files for PHP content, which enables a user to upload and execute files with the `.php6`, `.php7`, `.phtml`, and `.phpt` extensions. Additionally, JHelperMedia::canUpload() did not blacklist these file extensions as uploadable file types.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01883,"percentile":0.79625,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2016-12-05T17:00:00Z","modified":"2026-10-24T10:30:43Z","products":[{"vendor":"joomla","product":"joomla\\!"}],"references":[{"url":"https://github.com/XiphosResearch/exploits/tree/master/Joomraa","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"http://www.securityfocus.com/bid/94663","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9836"},{"url":"https://github.com/advisories/GHSA-43p3-cf56-rpqr"}],"sources":{"cve":[{"id":"CVE-2016-9836","description":"The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not consider alternative PHP file extensions when checking uploaded files for PHP content, which enables a user to upload and execute files with the `.php6`, `.php7`, `.phtml`, and `.phpt` extensions. Additionally, JHelperMedia::canUpload() did not blacklist these file extensions as uploadable file types.","status":"published","published":"2016-12-05T17:00:00Z","modified":"2024-08-06T02:59:03.553Z","updated_at":"2026-11-02T14:33:32.103757Z"}],"euvd":[{"id":"EUVD-2016-10636","description":"The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not consider alternative PHP file extensions when checking uploaded files for PHP content, which enables a user to upload and execute files with the `.php6`, `.php7`, `.phtml`, and `.phpt` extensions. Additionally, JHelperMedia::canUpload() did not blacklist these file extensions as uploadable file types.","status":"published","published":"2016-12-05T17:00:00Z","modified":"2024-08-06T02:59:03Z","updated_at":"2026-11-03T02:22:26.376959Z"}],"ghsa":[{"id":"GHSA-43p3-cf56-rpqr","title":"The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not...","description":"The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not consider alternative PHP file extensions when checking uploaded files for PHP content, which enables a user to upload and execute files with the `.php6`, `.php7`, `.phtml`, and `.phpt` extensions. Additionally, JHelperMedia::canUpload() did not blacklist these file extensions as uploadable file types.","status":"published","published":"2022-05-17T03:24:12Z","modified":"2023-01-27T05:07:22Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:43:06.43436Z"}],"nvd":[{"id":"CVE-2016-9836","description":"The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not consider alternative PHP file extensions when checking uploaded files for PHP content, which enables a user to upload and execute files with the `.php6`, `.php7`, `.phtml`, and `.phpt` extensions. Additionally, JHelperMedia::canUpload() did not blacklist these file extensions as uploadable file types.","status":"published","published":"2016-12-05T17:59:00.18Z","modified":"2026-06-17T00:56:37.973Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:03:32.79141Z"}],"osv":[{"id":"CVE-2016-9836","description":"The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not consider alternative PHP file extensions when checking uploaded files for PHP content, which enables a user to upload and execute files with the `.php6`, `.php7`, `.phtml`, and `.phpt` extensions. Additionally, JHelperMedia::canUpload() did not blacklist these file extensions as uploadable file types.","status":"published","published":"2016-12-05T17:59:00.18Z","modified":"2026-10-24T10:30:43.718475933Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:03.472693Z"}]}}