CVE-2022-4034 Appointment Hour Booking <= 1.3.72 - CSV Injection

Medium 5.8 Published Updated

Unauthenticated attackers can inject malicious formulas into booking data, leading to code execution when administrators export and open the CSV file.

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

What is CVE-2022-4034?

CVE-2022-4034 is a medium-severity code injection vulnerability in codepeople Appointment Hour Booking – Booking Calendar, published on 29 Nov 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Appointment Hour Booking Plugin for WordPress is vulnerable to CSV Injection in versions up to, and including, 1.3.72. This makes it possible for unauthenticated attackers to embed untrusted input into content during booking creation that may be exported as a CSV file when a site's administrator exports booking details. This can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration.

Weakness: CWE-1236

Which versions are affected by CVE-2022-4034?

It affects 1 product.

Products include Dwbooster Appointment Hour Booking.

How do I fix CVE-2022-4034?

No fix has been published for CVE-2022-4034 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2022-4034 being exploited?

There is no known exploitation of CVE-2022-4034 in the wild and no public exploit code.

Sources

Also known as GHSA-35hg-hj3j-7whc.

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