CVE-2025-4667

Medium

Description

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ssa_admin_upcoming_appointments, ssa_admin_upcoming_appointments, and ssa_past_appointments 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.

SeverityMedium
CVSS6.4
Exploit probability—
ProductAppointment Booking Calendar — Simply Schedule Appointments Booking Plugin
PublishedJun 14, 2025
First seenJun 14, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Pluginv ≤ 1.6.8.30—

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