CVE-2023-51299 Cross-site scripting in n/a

Medium 6.1 Published Updated

An attacker can inject malicious HTML into specific parameters of the PHPJabbers Hotel Booking System, potentially leading to session hijacking or defacement.

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-2023-51299?

CVE-2023-51299 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Feb 2025. 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

PHPJabbers Hotel Booking System v4.0 is vulnerable to HTML Injection in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters.

Weakness: CWE-79

Which versions are affected by CVE-2023-51299?

It affects 1 product.

Products include Phpjabbers Hotel Booking System.

How do I fix CVE-2023-51299?

No fix has been published for CVE-2023-51299 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-2023-51299 being exploited?

There is no known exploitation of CVE-2023-51299 in the wild and no public exploit code.

Sources

Also known as GHSA-pvq9-qx3f-f2w3.

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