CVE-2025-4667: Simply Schedule Appointments <= 1.6.8.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Shortcodes
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ssaadminupcomingappointments, ssaadminupcomingappointments, and ssapastappointments shortcodes in all versions up to, and including, 1.6.8.30 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-4667?
CVE-2025-4667 has a severity rating that indicates a risk of stored cross-site scripting vulnerabilities in the Simply Schedule Appointments Booking Plugin.
How do I fix CVE-2025-4667?
To fix CVE-2025-4667, update the Simply Schedule Appointments Booking Plugin to the latest version that addresses the vulnerability.
Which versions are affected by CVE-2025-4667?
All versions of the Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin are affected by CVE-2025-4667.
What type of attack does CVE-2025-4667 facilitate?
CVE-2025-4667 facilitates stored cross-site scripting (XSS) attacks through specific shortcodes in the plugin.
What are the affected shortcodes related to CVE-2025-4667?
The affected shortcodes in CVE-2025-4667 are ssa_admin_upcoming_appointments and ssa_past_appointments.