Description: 7all has discovered a vulnerability in WebCalendar, which can be exploited by malicious people to conduct cross-site scripting attacks.
Input passed to the "format" parameter in export_handler.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of a vulnerable site.
The vulnerability is confirmed in version 1.0.4. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly sanitised.
Provided and/or discovered by: 7all
Changelog: 2006-12-22: Added CVE reference.
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