source: https://www.securityfocus.com/bid/34155/info

Sun Java System Communications Express is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied data.

This issue is tracked by Sun Alert ID 258068.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may let the attacker steal cookie-based authentication credentials and launch other attacks.

The following are vulnerable:

Sun Java System Communications Express 6.3 for Sun Java Communications Suite 5 and 6
Sun Java System Communications Express 6 2005Q4 (6.2)

http://www.example.com/uwc/base/UWCMain?anon=true&calid=test@test.com&caltype=temporaryCalids&date=20081223T143836Z&category=All&viewctx=day&temporaryCalendars=test@test.com%27;alert(%27hello%27);a=%27