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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.

PUBLISHED Reserved 2026-07-12 | Published 2026-07-13 | Updated 2026-07-13 | Assigner VulDB




MEDIUM: 6.3CVSS: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
MEDIUM: 5.6CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 5.6CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
5.1AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Authorization Bypass

Improper Authorization

Timeline

2026-07-12:Advisory disclosed
2026-07-12:VulDB entry created
2026-07-12:VulDB entry last update

Credits

luther (VulDB User) reporter

References

vuldb.com/vuln/377845 (VDB-377845 | MacCMS Pro Installation Index.php step5 authorization) vdb-entry technical-description

vuldb.com/vuln/377845/cti (VDB-377845 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-15516 (CVE-2026-15516 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/848741 (Submit #848741 | maccms maccms10 10 Logical Vulnerability / Auth Bypass) third-party-advisory

github.com/trustbigcat/CVE/ exploit

github.com/magicblack/maccms10/releases?page=3 patch

cve.org (CVE-2026-15516)

nvd.nist.gov (CVE-2026-15516)

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