What is CVE-2026-7578?

CVE-2026-7578 is a medium-severity vulnerability in Maccms Pro, classified under Improper Access Control. CVSS score: 4.7/10. Published 2026-05-01.

How severe is CVE-2026-7578?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Arbitrary file upload in Maccms Pro

CVE-2026-7578

A weakness has been identified in MacCMS Pro up to 2022.1.3. This vulnerability affects the function install of the file /admi.php/admin/addon/add.html of the component Plugin Installation Handler. Executing a manipulation can lead to unre…

EPSS: 0.000 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Maccms Pro — versions 2022.1.0, 2022.1.1, 2022.1.2

Weakness classification (CWE)

References

VDB-360419 | MacCMS Pro Plugin Installation add.html install unrestricted upload (technical-description, vdb-entry)
VDB-360419 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #792283 | MacCMS MacCMS Pro 2022.1.3 Upload any file (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)

Frequently asked questions

What is CVE-2026-7578?: CVE-2026-7578 is a medium-severity vulnerability in Maccms Pro, classified under Improper Access Control. CVSS score: 4.7/10. Published 2026-05-01.
How severe is CVE-2026-7578?: Medium severity. CVSS v3 base score is 4.7 out of 10.