CVE-2026-3396— WCAPF – WooCommerce Ajax Product Filter <= 4.2.3 - Unauthenticated Time-Based SQL Injection
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I. Basic Information for CVE-2026-3396
Vulnerability Information
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Vulnerability Title
WCAPF – WooCommerce Ajax Product Filter <= 4.2.3 - Unauthenticated Time-Based SQL Injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
WCAPF – WooCommerce Ajax Product Filter plugin is vulnerable to time-based SQL Injection via the 'post-author' parameter in all versions up to, and including, 4.2.3 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin WCAPF SQL注入漏洞
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 WCAPF 4.2.3及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的参数转义不足且现有SQL查询缺乏充分准备，可能导致未经身份验证的攻击者进行基于时间的SQL注入攻击，从而从数据库提取敏感信息。
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 |
|---|---|---|---|---|
| shamimmoeen | WCAPF – Ajax Product Filter for WooCommerce | 0 ~ 4.2.3 | - |
II. Public POCs for CVE-2026-3396
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | WCAPF WooCommerce Ajax Product Filter <= 4.2.3 contains a time-based SQL injection caused by insufficient escaping of the 'post-author' parameter, letting unauthenticated attackers extract sensitive database information remotely. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-3396.yaml | POC Details |
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IV. Related Vulnerabilities
Same weakness: CWE-89
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V. Comments for CVE-2026-3396
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