Multiple vulnerabilities have been reported in Horde Groupware and Horde Groupware Webmail Edition, which can be exploited by malicious people to conduct cross-site scripting and cross-site request forgery attacks.
1) The applications allow users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to e.g. change certain settings by tricking a logged-in user into visiting a specially crafted website.
2) A vulnerability in icon_browser.php can be exploited by malicious people to conduct cross-site scripting attacks.
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