CVE-2026-15516

MacCMS Pro Installation Index.php step5 authorization

MEDIUM
5.6
CVSS Score
Published: July 13, 2026 at 12:15 AM UTC
Updated: July 13, 2026 at 05:17 PM UTC
1 product affected across 1 vendorMacCMS Pro

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Severity
MEDIUM5.6
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 2022.1000.3025 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/377845
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/377845/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-15516
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/848741
Exploit
Source: cverecord
https://github.com/trustbigcat/CVE/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.6MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-639CWE-285

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