CVE-2026-15516

MacCMS Pro Installation Index.php step5 authorization

State: Published
Severity: 6.3 Medium
Published: Jul 13, 2026
Updated: Jul 13, 2026
Reserved: Jul 12, 2026

Description

A vulnerability was detected in MacCMS Pro up to 2022.1000.3005. Impacted is the function step5 of the file application/install/controller/Index.php of the component Installation Module. The manipulation results in authorization bypass. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is considered difficult. The exploit is now public and may be used. Upgrading to version 2022.1000.3025 is recommended to address this issue. Upgrading the affected component is recommended.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	5.6 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	5.6 Medium	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	5.1 Medium	AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-639 Authorization Bypass
CWE-285 Improper Authorization

Affected Products

Product	Versions
MacCMS Pron/a	2022.1000.3005Affected 2022.1000.3025Not affected

References

VDB-377845 | MacCMS Pro Installation Index.php step5 authorizationvdb-entrytechnical-description
VDB-377845 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-15516 | CVE Analysis and Reportthird-party-advisory
Submit #848741 | maccms maccms10 10 Logical Vulnerability / Auth Bypassthird-party-advisory
https://github.com/trustbigcat/CVE/exploit
https://github.com/magicblack/maccms10/releases?page=3#release-v2022.1000.3025patch

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