Roundcube Webmail before 1.4.4 allows attackers to include local files and execute code via directory traversal in a plugin name to rcube_plugin_api.php.
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-12640-PHP%20Local%20File%20Inclusion-Roundcube
- https://github.com/roundcube/roundcubemail/releases/tag/1.4.4
- https://github.com/Live-Hack-CVE/CVE-2020-12640
- https://github.com/mbadanoiu/CVE-2020-12640
- https://github.com/nomi-sec/PoC-in-GitHub