CVE-2026-7578CWE-284CWE-434

MacCMS Pro Plugin Installation add.html install unrestricted upload

Medium · published May 1, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
30.4
In the wild
Unconfirmed
What it is

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 unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00376 · 30.4th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-05-01T10:45Z
EPSS history
Timeline
  • 01 MAY 10:45Z
    MacCMS Pro Plugin Installation add.html install unrestricted upload
    cvelistv5