CVE-2023-6902

Name: CVE-2023-6902
Creator: NVD / NIST
Published: 2023-12-17T16:15:13.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2023-6902 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability has been found in codelyfe Stupid Simple CMS up to 1.2.4 and classified as critical. This vulnerability affects unknown code of the file /file-manager/upload.php. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in codelyfe Stupid Simple CMS up to 1.2.4 and classified as critical. This vulnerability affects unknown code of the file /file-manager/upload.php. The manipulation of the argument file leads to unrestricted upload. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248260.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.97%

57.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Codelyfe	Stupid Simple Cms	<= 1.2.4

References

https://github.com/g1an123/POC/blob/main/Unauthorized%20file%20upload%20getshell.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.248260Permissions Required, Third Party Advisory
https://vuldb.com/?id.248260Third Party Advisory
https://github.com/g1an123/POC/blob/main/Unauthorized%20file%20upload%20getshell.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.248260Permissions Required, Third Party Advisory
https://vuldb.com/?id.248260Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-6902?

How severe is CVE-2023-6902?

CVE-2023-6902 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6902?

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-2023-6902?

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

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Source: NVD / NIST