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.

Classification

CVE ID: CVE-2024-9504

CVSS Base Severity: HIGH

CVSS Base Score: 7.2

Affected Products

Vendor: wpdevart

Product: Booking calendar, Appointment Booking System

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 17.81% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/1fb05281-205f-4d9c-aac9-2b37e069a6fb?source=cve
https://plugins.trac.wordpress.org/changeset/3195800/booking-calendar
https://hacked.be/posts/CVE-2024-9504

Timeline