CVE-2023-4409

Name: CVE-2023-4409
Creator: NVD / NIST
Published: 2023-08-18T13:15:09.98+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2023-4409 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability, which was classified as critical, has been found in NBS&HappySoftWeChat 1.1.6. Affected by this issue is some unknown functionality. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as critical, has been found in NBS&HappySoftWeChat 1.1.6. Affected by this issue is some unknown functionality. The manipulation leads to unrestricted upload. 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-237512.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.76%

50.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Happysoft	Nbs\&Happysoftwechat	1.1.6

References

https://github.com/ApricityXX/cve/blob/main/upload/upload.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.237512Permissions Required, Third Party Advisory
https://vuldb.com/?id.237512Permissions Required, Third Party Advisory
https://github.com/ApricityXX/cve/blob/main/upload/upload.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.237512Permissions Required, Third Party Advisory
https://vuldb.com/?id.237512Permissions Required, Third Party Advisory

Timeline

Published: Aug 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4409?

How severe is CVE-2023-4409?

CVE-2023-4409 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4409?

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-2023-4409?

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

Scan your code now

Source: NVD / NIST