WebCalendar v1.3.0 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the component /WebCalendarvqsmnseug2/edit_entry.php.

Cross-site Scripting (XSS) - Stored in GitHub repository craigk5n/webcalendar prior to master.

webcalendar before 1.2.7 shows the reason for a failed login (e.g., "no such user").

Local file inclusion in WebCalendar before 1.2.5.

install/index.php in WebCalendar before 1.2.5 allows remote attackers to execute arbitrary code via the form_single_user_login parameter.

Directory traversal vulnerability in WebCalendar 1.2.7 and earlier allows authenticated attackers to read arbitrary files via unspecified vectors.

Cross-site scripting vulnerability in WebCalendar 1.2.7 and earlier allows an attacker to inject arbitrary web script or HTML via unspecified vectors.

Cross-site scripting (XSS) vulnerability in Craig Knudsen WebCalendar before 1.2.5, 1.2.6, and other versions before 1.2.7 allows remote attackers to inject arbitrary web script or HTML via the Category Name field to category.php.

install/index.php in Craig Knudsen WebCalendar before 1.2.5 allows remote attackers to modify settings.php and possibly execute arbitrary code via vectors related to the user theme preference.

Multiple cross-site scripting (XSS) vulnerabilities in Craig Knudsen WebCalendar allow remote attackers to inject arbitrary web script or HTML via the (1) $name or (2) $description variables in edit_entry_handler.php, or (3) $url, (4) $tempfullname, or (5) $ext_users[] variables in view_entry.php, different vectors than CVE-2012-0846.