Is this vulnerability definitely exploitable on all MiniCMS 1.8 instances?

Not necessarily. The existence and exploitability of the issue are disputed, and real-world impact depends on factors like deployment configuration, exposure of the admin interface, and how authentication is actually implemented on a given site.

What level of access does an attacker need to exploit this?

Typically, a remote attacker needs only network access to the MiniCMS instance and the ability to reach `/mc-admin/page-edit.php`. If the improper authentication condition is present, they may not need valid credentials, but this depends on the specific deployment and any additional protections in place.

What is the safest general fix pattern for this type of issue?

Apply centralized, strict authentication and authorization checks to all administrative endpoints, ensuring that every sensitive action verifies a valid session and appropriate permissions before proceeding. Avoid duplicating or omitting these checks in individual handler scripts.

Severity:

HIGH RISK

(7.3)

Improper Authentication (CWE-287) in MiniCMS Publish Page Handler

CVE-2025-15456

Published:

Jan 4, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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CRITICAL RISK

CRITICAL

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Account Takeover / Loss of Account Control

February 17, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

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Remote Code Execution on the Server Host

February 17, 2026

Vulnerability Type

Category:

Improper Authentication

CWE:

CWE-287

Impact:

Authentication Bypass / Unauthorized Content Modification

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

Vulnerability Type

Category:

Improper Authentication

CWE:

CWE-287

Impact:

Authentication Bypass / Unauthorized Content Modification

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

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Improper Authentication (CWE-287) in MiniCMS Publish Page Handler

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.8)

Missing Authentication for Forgot-Password Email Change API (CWE-306)

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in node-sonos-http-api TTS Provider for macOS

Vulnerability Type

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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