CVE-2024-9504 Cross-site scripting in Booking calendar, Appointment Booking System
Unauthenticated attackers can inject arbitrary web scripts via SVG file uploads, leading to stored XSS execution when users view the file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-9504?
CVE-2024-9504 is a high-severity cross-site scripting vulnerability in wpdevart Booking calendar, Appointment Booking System, published on 26 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-434
Which versions are affected by CVE-2024-9504?
How do I fix CVE-2024-9504?
No fix has been published for CVE-2024-9504 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2024-9504 being exploited?
There is no known exploitation of CVE-2024-9504 in the wild and no public exploit code.
Sources
Also known as GHSA-62g5-fcg3-v3cp.