CVE-2023-3558 GZ Scripts Event Booking Calendar load.php cross site scripting
Remote attackers can inject malicious scripts via input fields in the Event Booking Calendar load.php file, 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-2023-3558?
CVE-2023-3558 is a low-severity cross-site scripting vulnerability in GZ Scripts Event Booking Calendar, published on 8 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 classified as problematic has been found in GZ Scripts Event Booking Calendar 1.8. Affected is an unknown function of the file /load.php. The manipulation of the argument first_name/second_name/phone/address_1/country leads to cross site scripting. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-233352. 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-2023-3558?
It affects 1 product.
Products include Gzscripts Event Booking Calendar.
How do I fix CVE-2023-3558?
No fix has been published for CVE-2023-3558 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-2023-3558 being exploited?
There is no known exploitation of CVE-2023-3558 in the wild and no public exploit code.
Sources
Also known as GHSA-v75c-m7vr-mvvg.