Cross-site scripting (XSS) vulnerability in view.php in the file viewer in Horde Gollem before 1.1.2 allows remote attackers to inject arbitrary web script or HTML via the file parameter in a view_file action.

Gollem before 3.0.13, as used in Horde Groupware Webmail Edition 5.2.22 and other products, is affected by a reflected Cross-Site Scripting (XSS) vulnerability via the HTTP GET dir parameter in the browser functionality, affecting breadcrumb output. An attacker can obtain access to a victim's webmail account by making them visit a malicious URL.