CVE-2023-6875— POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.8.7 - Authorization Bypass via type connect-app API
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I. Basic Information for CVE-2023-6875
Vulnerability Information
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Vulnerability Title
POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.8.7 - Authorization Bypass via type connect-app API
Source: NVD (National Vulnerability Database)
Vulnerability Description
The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to unauthorized access of data and modification of data due to a type juggling issue on the connect-app REST endpoint in all versions up to, and including, 2.8.7. This makes it possible for unauthenticated attackers to reset the API key used to authenticate to the mailer and view logs, including password reset emails, allowing site takeover. CVE-2023-52233 appears to be a duplicate of this issue.
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
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress Plugin POST SMTP Mailer 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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress Plugin POST SMTP Mailer 2.8.7 及之前版本存在安全漏洞，该漏洞源于连接应用程序 REST 端点上存在类型杂乱问题，插件很容易受到未经授权的数据访问和数据修改。
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 |
|---|---|---|---|---|
| wpexpertsio | POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications | * ~ 2.8.7 | - |
II. Public POCs for CVE-2023-6875
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | CVE-2023-6875 PoC | https://github.com/UlyssesSaicha/CVE-2023-6875 | POC Details |
| 2 | Exploit for CVE-2023-6875 - Unauthorized Account Takeover. | https://github.com/gbrsh/CVE-2023-6875 | POC Details |
| 3 | CVE-2023-6875 exploit written for Xakep.Ru | https://github.com/hatlesswizard/CVE-2023-6875 | POC Details |
| 4 | The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to unauthorized access of data and modification of data due to a type juggling issue on the connect-app REST endpoint in all versions up to, and including, 2.8.7. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-6875.yaml | POC Details |
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IV. Related Vulnerabilities
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V. Comments for CVE-2023-6875
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