CVE-2022-2374 Simply Schedule Appointments < 1.5.7.7 - Admin+ Stored Cross-Site Scripting

What is CVE-2022-2374?

CVE-2022-2374 is a medium-severity cross-site scripting vulnerability in Unknown Simply Schedule Appointments – WordPress Booking Plugin, published on 29 Aug 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Simply Schedule Appointments WordPress plugin before 1.5.7.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Weakness: CWE-79

Which versions are affected by CVE-2022-2374?

It affects 1 product.

Products include Nsqua Simply Schedule Appointments.

How do I fix CVE-2022-2374?

No fix has been published for CVE-2022-2374 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-2022-2374 being exploited?

There is no known exploitation of CVE-2022-2374 in the wild and no public exploit code.

Other vulnerabilities in Unknown Simply Schedule Appointments – WordPress Booking Plugin

• CVE-2023-50851 WordPress Simply Schedule Appointments Plugin < 1.6.6.1 is vulnerable to SQL Injection High 7.6
• CVE-2024-7129 Appointment Booking Calendar < 1.6.7.43 - Admin+ Template Injection to RCE High 7.2
• CVE-2022-2373 Simply Schedule Appointments < 1.5.7.7 - Unauthenticated Email Address Disclosure Medium 5.3
• CVE-2024-7876 Appointment Booking Calendar < 1.6.7.55 - Admin+ Stored XSS Medium 4.8
• CVE-2024-7877 Appointment Booking Calendar < 1.6.7.55 - Admin+ Stored XSS Medium 4.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v5j3-cc7g-2rf3.