Title: WebCalendar Multiple Cross-Site Scripting Vulnerabilities
Severity: MODERATE
Description:
WebCalendar is a PHP based application, used as a calendar for one or more clients. WebCalendar can be used with MySQL, Oracle, PostgreSQL or ODBC.
Multiple cross-site scripting vulnerabilities have been reported in various modules of WebCalendar. The vulnerabilities may allow an attacker to execute malicious script code on a legitimate user's browser due to unsanitized user input.
The issues have been reported to exist in the $color parameter of includes/js/colors.php module, $user parameter of week.php module, and $eventinfo paremeter of week.php, day.php, month.php, week_details.php, view_l.php, view_m.php, view_t.php, view_v.php, view_w.php, and week_details.php modules of the software.
HTML and script code may not be filtered from user supplied input before being displayed. Therefore it may be possible to construct a malicious link containing script code that may be executed in the browser of a user who visits the link. This would occur in the context of the vulnerable site.
Successful exploitation could allow for theft of cookie-based authentication credentials from users. Other attacks are also possible.
Affected Products:
- WebCalendar WebCalendar 0.9.11
- WebCalendar WebCalendar 0.9.15
- WebCalendar WebCalendar 0.9.16
- WebCalendar WebCalendar 0.9.19
- WebCalendar WebCalendar 0.9.20
- WebCalendar WebCalendar 0.9.21
- WebCalendar WebCalendar 0.9.22
- WebCalendar WebCalendar 0.9.23
- WebCalendar WebCalendar 0.9.24
- WebCalendar WebCalendar 0.9.25
- WebCalendar WebCalendar 0.9.26
- WebCalendar WebCalendar 0.9.27
- WebCalendar WebCalendar 0.9.28
- WebCalendar WebCalendar 0.9.29
- WebCalendar WebCalendar 0.9.30
- WebCalendar WebCalendar 0.9.31
- WebCalendar WebCalendar 0.9.32
- WebCalendar WebCalendar 0.9.33
- WebCalendar WebCalendar 0.9.34
- WebCalendar WebCalendar 0.9.35
- WebCalendar WebCalendar 0.9.36
- WebCalendar WebCalendar 0.9.37
- WebCalendar WebCalendar 0.9.38
- WebCalendar WebCalendar 0.9.39
- WebCalendar WebCalendar 0.9.40
- WebCalendar WebCalendar 0.9.41
- WebCalendar WebCalendar 0.9.43
- WebCalendar WebCalendar 0.9.8
References:
- SourceForge: WebCalendar
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