Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 on Windows allows command injection via im_convert_path and im_identify_path. NOTE: this issue exists because of an incomplete fix for CVE-2020-12641.
https://github.com/roundcube/roundcubemail/releases/tag/1.6.7
https://github.com/roundcube/roundcubemail/releases/tag/1.5.7
https://github.com/roundcube/roundcubemail/commit/5ea9f37ce39374b6124586c0590fec7015d35d7f