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.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19634.json"