DEBIAN-CVE-2021-26929

An XSS issue was discovered in Horde Groupware Webmail Edition through 5.2.22 where the HordeTextFilter library before 2.3.7 is used. The attacker can send a plain text e-mail message, with JavaScript encoded as a link or email that is mishandled by preProcess in Text2html.php, because bespoke us...