{"id":"CVE-2019-19634","aliases":["EUVD-2020-0285","GHSA-2gc7-w4hw-rr2m"],"status":"published","title":"class.upload.php in verot.net omits .pht from the set of dangerous file extensions","description":"class.upload.php in verot.net class.upload through 1.0.3 and 2.x through 2.0.4, as used in the K2 extension for Joomla! and other products, omits .pht from the set of dangerous file extensions, a similar issue to CVE-2019-19576.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/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":0.04187,"percentile":0.90994,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-434"],"published":"2019-12-17T17:11:29Z","modified":"2026-10-20T10:51:38Z","exploits":[{"source":"pocgithub","id":"jra89/CVE-2019-19634","title":"jra89/CVE-2019-19634","date":"2019-12-08","url":"https://github.com/jra89/CVE-2019-19634"}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"verot/class.upload.php","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.3"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"verot/class.upload.php","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"last_affected":"2.0.4"}]}]},{"source":"osv","ecosystem":"Packagist","package":"verot/class.upload.php","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.3"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.0.3"]},{"source":"osv","ecosystem":"Packagist","package":"verot/class.upload.php","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"last_affected":"2.0.4"}]}],"versions":["2.0.0","2.0.1","2.0.2","2.0.3","2.0.4"]}],"products":[{"vendor":"joomlaworks","product":"k2"},{"vendor":"verot_project","product":"verot"}],"references":[{"url":"https://github.com/verot/class.upload.php/blob/2.0.4/src/class.upload.php#L3068","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://medium.com/%40jra8908/cve-2019-19634-arbitrary-file-upload-in-class-upload-php-ccaf9e13875e","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://github.com/jra89/CVE-2019-19634","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19634","tags":["advisory"]},{"url":"https://medium.com/@jra8908/cve-2019-19634-arbitrary-file-upload-in-class-upload-php-ccaf9e13875e","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2gc7-w4hw-rr2m"}],"sources":{"cve":[{"id":"CVE-2019-19634","description":"class.upload.php in verot.net class.upload through 1.0.3 and 2.x through 2.0.4, as used in the K2 extension for Joomla! 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