EGroupware multiple vulnerabilities

Summary
EGroupware is prone to multiple vulnerabilities. 1. Cross-site scripting (XSS) vulnerability in login.php in EGroupware 1.4.001+.002 1.6.001+.002 and possibly other versions before 1.6.003 and EPL 9.1 before 9.1.20100309 and 9.2 before 9.2.20100309 allows remote attackers to inject arbitrary web script or HTML via the lang parameter. 2. phpgwapi/js/fckeditor/editor/dialog/fck_spellerpages/spellerpages/serverscripts/spellchecker.php in EGroupware 1.4.001+.002 1.6.001+.002 and possibly other versions before 1.6.003 and EPL 9.1 before 9.1.20100309 and 9.2 before 9.2.20100309 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) aspell_path or (2) spellchecker_lang parameters.
Solution
Vendor updates are available. Please see the references for details.
References