CVE-2023-3476

Name: CVE-2023-3476
Creator: NVD / NIST
Published: 2023-06-30T07:15:09.13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2023-3476 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability was found in SimplePHPscripts GuestBook Script 2.2. It has been classified as problematic. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

A vulnerability was found in SimplePHPscripts GuestBook Script 2.2. It has been classified as problematic. This affects an unknown part of the file preview.php of the component URL Parameter Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-232755.

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%

26.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Simplephpscripts	Guestbook Script	2.2

References

https://vuldb.com/?ctiid.232755Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.232755Third Party Advisory, VDB Entry
https://vuldb.com/?ctiid.232755Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.232755Third Party Advisory, VDB Entry

Timeline

Published: Jun 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3476?

How severe is CVE-2023-3476?

CVE-2023-3476 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-2023-3476?

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-2023-3476?

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

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Source: NVD / NIST