Booking calendar, Appointment Booking System: Cross-site scripting
Booking calendar, Appointment Booking System is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
- Component
- Booking calendar, Appointment Booking System
- Plugin slug
booking-calendar-appointment-booking-system- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Nov 26, 2024
This CVE was published Nov 26, 2024 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Booking calendar, Appointment Booking System to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 3.2.15 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N