CVE-2026-105055
Received Received - Intake

Missing Authorization in WP Mailster Plugin

Publication date: 2026-10-05

Last updated on: 2026-10-05

Assigner: Patchstack

Description
Missing Authorization vulnerability in WP Mailster WP Mailster wp-mailster allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Mailster: from n/a through 1.9.0.0.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-05
Last Modified
2026-10-05
Generated
2026-10-05
AI Q&A
2026-10-05
EPSS Evaluated
N/A
NVD
CVE-2026-105055
EUVD
EUVD-2026-92312

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wp_mailster wp_mailster to 1.9.0.0 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a Missing Authorization issue in the WP Mailster plugin for WordPress. It allows attackers to exploit incorrectly configured access control security levels in versions up to 1.9.0.0. The flaw enables unauthorized access to certain plugin functionalities due to improper permission checks.

Impact Analysis

An attacker could exploit this to access sensitive data or perform unauthorized actions through the plugin. Since the plugin is for WordPress, it may affect websites using this plugin, potentially leading to data leaks or misuse of email functionality.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, which may violate GDPR or HIPAA requirements for data protection and access controls. Organizations using this plugin may face compliance risks if data is exposed due to the flaw.

Mitigation Strategies

Update WP Mailster to the latest version (1.9.0.0 or later) to address the missing authorization vulnerability. If an update is not available, consider disabling the plugin temporarily until a patch is released.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-105055. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart