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CVE-2026-105055— WordPress WP Mailster plugin <= 1.9.0.0 - Broken Access Control vulnerability

Quick assessment

Affected
WP Mailster WP Mailster
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WP Mailster 中存在缺失授权漏洞。WP Mailster（wp-mailster）允许利用配置不当的访问控制安全级别。该问题影响 WP Mailster 从 n/a 到 1.9.0.0 的所有版本。

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-105055

Vulnerability Information
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Vulnerability Title
WordPress WP Mailster plugin <= 1.9.0.0 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WP Mailster WP Mailster 0 ~ 1.9.0.0 -

II. Public POCs for CVE-2026-105055

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III. Intelligence Information for CVE-2026-105055

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Other References for CVE-2026-105055 (1)

IV. Related Vulnerabilities

Same product: WP Mailster
Same weakness: CWE-862

V. Comments for CVE-2026-105055

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