CVE-2023-48838 Cross-site scripting in n/a

Medium 5.4 Published 7 Dec 2023 Updated 2 Aug 2024

Attackers can inject malicious HTML via SMS API Key or Default Country Code fields in Appointment Scheduler, potentially executing scripts or stealing data.

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-2023-48838?

CVE-2023-48838 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Dec 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Appointment Scheduler 3.0 is vulnerable to Multiple HTML Injection issues via the SMS API Key or Default Country Code.

Weakness: CWE-79

Which versions are affected by CVE-2023-48838?

It affects 1 product.

Products include Phpjabbers Appointment Scheduler.

How do I fix CVE-2023-48838?

No fix has been published for CVE-2023-48838 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-2023-48838 being exploited?

There is no known exploitation of CVE-2023-48838 in the wild and no public exploit code.

Sources

Also known as GHSA-wq2x-683r-v6q3.