CVE-2023-6303

Name: CVE-2023-6303
Creator: NVD / NIST
Published: 2023-11-27T00:15:08.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2023-6303 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A vulnerability was found in CSZCMS 1.3.0. It has been classified as problematic. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

A vulnerability was found in CSZCMS 1.3.0. It has been classified as problematic. This affects an unknown part of the file /admin/settings/ of the component Site Settings Page. The manipulation of the argument Additional Meta Tag with the input <svg><animate onbegin=alert(1) attributeName=x dur=1s> leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-246129 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

4.8/10

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

EPSS Probability

0.60%

44.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Cskaza	Cszcms	1.3.0

References

https://github.com/t34t/CVE/blob/main/CSZCMS/0-Store-XSS-Vulnerability-in-cszcmsV1.3.0.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.246129Permissions Required, Third Party Advisory
https://vuldb.com/?id.246129Third Party Advisory
https://github.com/t34t/CVE/blob/main/CSZCMS/0-Store-XSS-Vulnerability-in-cszcmsV1.3.0.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.246129Permissions Required, Third Party Advisory
https://vuldb.com/?id.246129Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-6303?

How severe is CVE-2023-6303?

CVE-2023-6303 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6303?

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-2023-6303?

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

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Source: NVD / NIST