CVE-2021-24712 Appointment Hour Booking – WordPress Booking Plugin < 1.3.17 - Authenticated Stored XSS

Medium 5.4 Published Updated

Authenticated attackers can inject malicious scripts via calendar creation fields, potentially compromising user sessions in the Appointment Hour Booking 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-2021-24712?

CVE-2021-24712 is a medium-severity cross-site scripting vulnerability in Unknown Appointment Hour Booking – WordPress Booking Plugin, published on 11 Oct 2021. 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 Appointment Hour Booking WordPress plugin before 1.3.17 does not properly sanitize values used when creating new calendars.

Weakness: CWE-79

Which versions are affected by CVE-2021-24712?

It affects 1 product.

Products include Dwbooster Appointment Hour Booking.

How do I fix CVE-2021-24712?

No fix has been published for CVE-2021-24712 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-2021-24712 being exploited?

There is no known exploitation of CVE-2021-24712 in the wild and no public exploit code.

Sources

Also known as GHSA-4fc4-4rqx-5r93.

Is CVE-2021-24712 in your software?

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