How severe is CVE-2023-3969?

CVE-2023-3969 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-3969 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3969?

CVE-2023-3969 affects Gzscripts Availability Booking Calendar Php. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3969?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-3969 published?

CVE-2023-3969 was published on 2023-07-27 and last updated on 2026-06-17.

CVE-2023-3969

CVE-2023-3969 is a low-severity vulnerability in Gzscripts Availability Booking Calendar Php with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Gzscripts Availability Booking Calendar Php
Published: 2023-07-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-3969?: 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.
How severe is CVE-2023-3969?: CVE-2023-3969 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-3969 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3969?: CVE-2023-3969 affects Gzscripts Availability Booking Calendar Php. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3969?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3969 published?: CVE-2023-3969 was published on 2023-07-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gzscripts:availability_booking_calendar_php:1.0:*:*:*:*:*:*:*

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CVE-2023-3970 — Low (CVSS 3.5): A vulnerability, which was classified as problematic, was found in GZ Scripts Availability Booking Calendar PHP 1.0.…
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