CVE-2024-9872 Cross-site scripting in Online Booking & Scheduling Calendar for WordPress by vcita

Medium 5.4 Published 6 Dec 2024 Updated 8 Apr 2026

Authenticated subscribers can inject malicious scripts and modify settings due to missing capability checks in the vcita WordPress plugin.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-9872?

CVE-2024-9872 is a medium-severity cross-site scripting vulnerability in Online Booking & Scheduling Calendar for WordPress by vcita, published on 6 Dec 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the vcita_save_user_data_callback() function in all versions up to, and including, 4.5.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject malicious web scripts and update settings.

Weakness: CWE-79

Which versions are affected by CVE-2024-9872?

It affects 1 product.

Products include Vcita Online Booking \& Scheduling Calendar.

How do I fix CVE-2024-9872?

No fix has been published for CVE-2024-9872 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-2024-9872 being exploited?

There is no known exploitation of CVE-2024-9872 in the wild and no public exploit code.

Sources

Also known as GHSA-2388-4xvj-fvq2.