CVE-2023-3969 GZ Scripts Availability Booking Calendar PHP HTTP POST Request index.php cross site scripting

Low 3.5 Published Updated

Attackers can inject malicious scripts via the promo_code parameter in the Availability Booking Calendar PHP application, potentially compromising user sessions.

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-2023-3969?

CVE-2023-3969 is a low-severity cross-site scripting vulnerability in GZ Scripts Availability Booking Calendar PHP, published on 27 Jul 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

A vulnerability, which was classified as problematic, has been found in GZ Scripts Availability Booking Calendar PHP 1.0. Affected by this issue is some unknown functionality of the file index.php of the component HTTP POST Request Handler. The manipulation of the argument promo_code leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-235568.

Weakness: CWE-79

Which versions are affected by CVE-2023-3969?

It affects 1 product.

Products include Gzscripts Availability Booking Calendar Php.

How do I fix CVE-2023-3969?

No fix has been published for CVE-2023-3969 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-2023-3969 being exploited?

There is no known exploitation of CVE-2023-3969 in the wild and no public exploit code.

Sources

Also known as GHSA-qvrm-f7c8-46pc.

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