CVE-2023-3969

Name: CVE-2023-3969
Creator: NVD / NIST
Published: 2023-07-27T12:15:09.963+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2023-3969 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.50%

39.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gzscripts	Availability Booking Calendar Php	1.0

References

https://seclists.org/fulldisclosure/2023/Jul/51Exploit, Mailing List, Third Party Advisory
https://vuldb.com/?ctiid.235568Permissions Required, Third Party Advisory
https://vuldb.com/?id.235568Third Party Advisory
https://seclists.org/fulldisclosure/2023/Jul/51Exploit, Mailing List, Third Party Advisory
https://vuldb.com/?ctiid.235568Permissions Required, Third Party Advisory
https://vuldb.com/?id.235568Third Party Advisory

Timeline

Published: Jul 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3969?

How severe is CVE-2023-3969?

CVE-2023-3969 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3969?

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-2023-3969?

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

Scan your code now

Source: NVD / NIST