What is CVE-2026-4563?

CVE-2026-4563 is a medium-severity vulnerability in Maccms, classified under Improper Authorization. CVSS score: 4.3/10. Published 2026-03-23.

How severe is CVE-2026-4563?

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

Auth bypass in Maccms

CVE-2026-4563

A weakness has been identified in MacCMS up to 2025.1000.4052. This vulnerability affects the function order_info of the file application/index/controller/User.php of the component Member Order Detail Interface. This manipulation of the ar…

EPSS: 0.000 (11.4th percentile) — read the EPSS interpretation.

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:L/I:N/A:N.

Affected products

N/a Maccms — versions 2025.1000.4052

Weakness classification (CWE)

References

VDB-352400 | MacCMS Member Order Detail User.php order_info authorization (technical-description, vdb-entry)
VDB-352400 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #775050 | MacCMS 2025.1000.4052 Authorization Bypass (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)

Frequently asked questions

What is CVE-2026-4563?: CVE-2026-4563 is a medium-severity vulnerability in Maccms, classified under Improper Authorization. CVSS score: 4.3/10. Published 2026-03-23.
How severe is CVE-2026-4563?: Medium severity. CVSS v3 base score is 4.3 out of 10.