CVE-2002-0739: Postnuke Software Foundation Postcalendar

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

Cross-site scripting in PostCalendar 3.02 allows remote attackers to insert arbitrary HTML and script, and steal cookies, by modifying a calendar entry in its preview page.

Affected products

Published 2002-08-12. Last modified 2026-06-16.