CVE-2023-48825: Phpjabbers Availability Booking Calendar

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Availability Booking Calendar 5.0 is vulnerable to Multiple HTML Injection issues via SMS API Key or Default Country Code.

Affected products

• Phpjabbers Availability Booking Calendar: version 5.0 only

Published 2023-12-07. Last modified 2026-06-17.