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CVE-2026-28181— WordPress AcyMailing SMTP Newsletter plugin <= 10.11.1 - Broken Access Control vulnerability

Quick assessment

Affected
AcyMailing Newsletter Team AcyMailing SMTP Newsletter
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.

WordPress AcyMailing是WordPress基金会的一款邮件订阅管理插件。 WordPress AcyMailing 10.11.1及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致订阅者越权访问。

CVSS 6.5 · Medium EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
AcyMailing Newsletter Team AcyMailing SMTP Newsletter n/a≤ 10.11.1 affected
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I. Basic Information for CVE-2026-28181

Vulnerability Information
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Vulnerability Title
WordPress AcyMailing SMTP Newsletter plugin <= 10.11.1 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Subscriber Broken Access Control in AcyMailing SMTP Newsletter <= 10.11.1 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress AcyMailing 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress AcyMailing是WordPress基金会的一款邮件订阅管理插件。 WordPress AcyMailing 10.11.1及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致订阅者越权访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AcyMailing Newsletter Team AcyMailing SMTP Newsletter n/a ~ 10.11.1 -

II. Public POCs for CVE-2026-28181

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III. Intelligence Information for CVE-2026-28181

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Vendor Advisories for CVE-2026-28181 (1)

Same Patch Batch · AcyMailing Newsletter Team · 2026-08-13 · 3 CVEs total

CVE-2026-28182 6.5 MEDIUM WordPress AcyMailing SMTP Newsletter plugin <= 10.11.1 - Cross Site Scripting (XSS) vulner
CVE-2026-66689 6.3 MEDIUM WordPress Anti Spam and list cleaner – AcyChecker plugin <= 2.0.0 - Broken Access Control

IV. Related Vulnerabilities

Same product: AcyMailing SMTP Newsletter
Same vendor: AcyMailing Newsletter Team
Same weakness: CWE-862

V. Comments for CVE-2026-28181

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