CVE-2024-7876 Appointment Booking Calendar < 1.6.7.55 - Admin+ Stored XSS
High-privilege users can inject malicious scripts via appointment settings, leading to stored XSS attacks in the WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-7876?
CVE-2024-7876 is a medium-severity cross-site scripting vulnerability in Unknown Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin, published on 5 Nov 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does not sanitise and escape some of its Appointment Type settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
Weakness: CWE-79
Which versions are affected by CVE-2024-7876?
It affects 1 product.
Products include Nsqua Simply Schedule Appointments.
How do I fix CVE-2024-7876?
No fix has been published for CVE-2024-7876 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-2024-7876 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7876 exists.
Other vulnerabilities in Unknown Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
- CVE-2023-50851 WordPress Simply Schedule Appointments Plugin < 1.6.6.1 is vulnerable to SQL Injection
- CVE-2024-7129 Appointment Booking Calendar < 1.6.7.43 - Admin+ Template Injection to RCE
- CVE-2022-2373 Simply Schedule Appointments < 1.5.7.7 - Unauthenticated Email Address Disclosure
- CVE-2024-7877 Appointment Booking Calendar < 1.6.7.55 - Admin+ Stored XSS
- CVE-2022-2374 Simply Schedule Appointments < 1.5.7.7 - Admin+ Stored Cross-Site Scripting
Sources
Also known as GHSA-cjrc-86h3-3hxh.