Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to a potential SQL injection via search or searchparams.
rcubeimage.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary code via shell metacharacters in a configuration setting for imconvertpath or imidentifypath.
An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. There is XSS via a malicious XML attachment because text/xml is among the allowed types for a preview.