CVE-2023-3559

Name: CVE-2023-3559
Creator: NVD / NIST
Published: 2023-07-10T16:15:55.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2023-3559 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability classified as problematic was found in GZ Scripts PHP GZ Appointment Scheduling Script 1.8. Affected by this vulnerability is an unknown functionality of the file /load.php. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

A vulnerability classified as problematic was found in GZ Scripts PHP GZ Appointment Scheduling Script 1.8. Affected by this vulnerability is an unknown functionality of the file /load.php. The manipulation of the argument first_name/second_name/phone/address_1/country leads to cross site scripting. The attack can be launched remotely. The identifier VDB-233353 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.34%

25.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gzscripts	Php Gz Appointment Scheduling Script	1.8

References

https://vuldb.com/?ctiid.233353Permissions Required, Third Party Advisory
https://vuldb.com/?id.233353Third Party Advisory
https://vuldb.com/?ctiid.233353Permissions Required, Third Party Advisory
https://vuldb.com/?id.233353Third Party Advisory

Timeline

Published: Jul 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3559?

How severe is CVE-2023-3559?

CVE-2023-3559 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3559?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3559?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST