The install_from_hash functionality in Navigate CMS 2.9 does not consider the .phtml extension when examining files within a ZIP archive that may contain PHP code, in check_upload in lib/packages/extensions/extension.class.php and lib/packages/themes/theme.class.php.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14067
Reference (s):
- https://github.com/NavigateCMS/Navigate-CMS/commit/f1f47126b359d73a2635306ae46d8719c14d240b