Roundcube Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2020-35730
An XSS issue was discovered in Roundcube Webmail before 1.2.13 1.3.x before 1.3.16 and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message with JavaScript in a link reference element that is mishandled by linkref_addindex in rcube_string_replacer.php.