CVE-2019-10066: Otrs

Medium severity, CVSS 5.4. EPSS: 0.8% chance of exploitation in the next 30 days.

An issue was discovered in Open Ticket Request System (OTRS) 7.x through 7.0.6, Community Edition 6.0.x through 6.0.17, and OTRSAppointmentCalendar 5.0.x through 5.0.12. An attacker who is logged into OTRS as an agent with appropriate permissions may create a carefully crafted calendar appointment in order to cause execution of JavaScript in the context of OTRS.

Affected products

• Otrs Otrs: from 5.0.0, up to and including 5.0.12; from 6.0.0, up to and including 6.0.17; from 7.0.0, up to and including 7.0.6

Published 2019-05-22. Last modified 2026-06-17.