CVE-2018-5671: Booking Calendar Project Booking Calendar

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. XSS exists via the wp-admin/admin.php extra_field1[items][field_item1][price_percent] parameter.

Affected products

• Booking Calendar Project Booking Calendar: version 2.1.7 only

Published 2018-01-13. Last modified 2026-06-17.