What is CVE-2023-5976?

CVE-2023-5976 is a medium-severity vulnerability in Microweber, classified under Improper Access Control. CVSS score: 4.3/10. Published 2023-11-07.

How severe is CVE-2023-5976?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Microweber

CVE-2023-5976

Improper Access Control in GitHub repository microweber/microweber prior to 2.0.

Published 2023-11-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.9th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Microweber
Microweber Microweber/microweber — versions unspecified

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

huntr.com/bounties/2004e4a9-c5f6-406a-89b0-571f808882fa (Exploit, Patch, Third Party Advisory)
github.com/microweber/microweber/commit/bc537ebe235bf9924c6557a46114f5f9557cd16a (Patch)

Frequently asked questions

What is CVE-2023-5976?: CVE-2023-5976 is a medium-severity vulnerability in Microweber, classified under Improper Access Control. CVSS score: 4.3/10. Published 2023-11-07.
How severe is CVE-2023-5976?: Medium severity. CVSS v3 base score is 4.3 out of 10.