CVE-2023-3543 GZ Scripts Availability Booking Calendar PHP HTTP POST Request load.php cross site scripting
Remote attackers can inject malicious scripts via HTTP POST parameters 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-2023-3543?
CVE-2023-3543 is a low-severity cross-site scripting vulnerability in GZ Scripts Availability Booking Calendar PHP, published on 7 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 was found in GZ Scripts Availability Booking Calendar PHP 1.8. It has been classified as problematic. This affects an unknown part of the file load.php of the component HTTP POST Request Handler. The manipulation of the argument cid/first_name/second_name/address_1/country leads to cross site scripting. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-233295. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-79
Which versions are affected by CVE-2023-3543?
It affects 1 product.
Products include Gzscripts Availability Booking Calendar Php.
How do I fix CVE-2023-3543?
No fix has been published for CVE-2023-3543 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-2023-3543 being exploited?
There is no known exploitation of CVE-2023-3543 in the wild and no public exploit code.
Other vulnerabilities in GZ Scripts Availability Booking Calendar PHP
Sources
Also known as GHSA-4ww6-4g26-gh9j.