CVE-2025-11833— Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App <= 3.6.0 - Missing Authorization to Account Takeover via Unauthenticated Email Log Disclosure
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I. Basic Information for CVE-2025-11833
Vulnerability Information
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Vulnerability Title
Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App <= 3.6.0 - Missing Authorization to Account Takeover via Unauthenticated Email Log Disclosure
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the __construct function in all versions up to, and including, 3.6.0. This makes it possible for unauthenticated attackers to read arbitrary logged emails sent through the Post SMTP plugin, including password reset emails containing password reset links, which can lead to account takeover.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Post SMTP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Post SMTP 3.6.0及之前版本存在安全漏洞，该漏洞源于缺少能力检查，可能导致未经验证的攻击者读取任意日志邮件，进而导致账户接管。
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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| saadiqbal | Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App | * ~ 3.6.0 | - |
II. Public POCs for CVE-2025-11833
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/modhopmarrow1973/CVE-2025-11833-LAB | POC Details |
| 2 | CVE-2025-11833 Checker | https://github.com/Kazgangap/CVE-2025-11833 | POC Details |
| 3 | Post SMTP WordPress plugin <= 3.6.0 contains an unauthorized data access vulnerability caused by missing capability check in __construct function, letting unauthenticated attackers read arbitrary logged emails, exploit requires no authentication. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-11833.yaml | POC Details |
| 4 | CVE-2025-11833 Checker | https://github.com/halilkirazkaya/CVE-2025-11833 | POC Details |
AI-Generated POCPremium
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IV. Related Vulnerabilities
Same product: Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App
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Post SMTP <= 3.4.1 - Missing Authorization to Authenticated - CVE-2024-13844
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Same weakness: CWE-862
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V. Comments for CVE-2025-11833
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