What is CVE-2023-4704?

CVE-2023-4704 is a medium-severity vulnerability in Instantcms, classified under CWE-15. CVSS score: 4.9/10. Published 2023-09-01.

How severe is CVE-2023-4704?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Instantcms

CVE-2023-4704

External Control of System or Configuration Setting in GitHub repository instantsoft/icms2 prior to 2.16.1-git.

Published 2023-09-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.009 · change: +0.002

Affected products

Instantcms
Instantsoft Instantsoft/icms2 — versions unspecified

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-4704?: CVE-2023-4704 is a medium-severity vulnerability in Instantcms, classified under CWE-15. CVSS score: 4.9/10. Published 2023-09-01.
How severe is CVE-2023-4704?: Medium severity. CVSS v3 base score is 4.9 out of 10.