CVE-2023-6808 Cross-site scripting in Booking for Appointments and Events Calendar – Amelia

Medium 6.4 Published 5 Feb 2024 Updated 8 Apr 2026

Authenticated attackers with contributor permissions can inject arbitrary scripts via shortcodes, leading to stored XSS execution on victim pages.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-6808?

CVE-2023-6808 is a medium-severity cross-site scripting vulnerability in ameliabooking Booking for Appointments and Events Calendar – Amelia, published on 5 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 1.0.93 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2023-6808?

It affects 1 product.

Products include Tms-Outsource Amelia.

How do I fix CVE-2023-6808?

No fix has been published for CVE-2023-6808 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-2023-6808 being exploited?

There is no known exploitation of CVE-2023-6808 in the wild and no public exploit code.

Sources

Also known as GHSA-2gw8-8q9v-75m8.