CVE-2026-8939— Search Simple Fields <= 0.2 - Cross-Site Request Forgery to Plugin Settings Update
Possible ATT&CK Techniques 1AI
T1133 · External Remote ServicesAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| simonailie | Search Simple Fields | ≤ 0.2 | affected |
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I. Basic Information for CVE-2026-8939
Vulnerability Information
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Vulnerability Title
Search Simple Fields <= 0.2 - Cross-Site Request Forgery to Plugin Settings Update
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Search Simple Fields plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.2. This is due to missing or incorrect nonce validation on the search_simple_fields_options() function in functions_admin.php. This makes it possible for unauthenticated attackers to modify the plugin's settings — including post types to search in, custom fields, media fields and the custom media function name — via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Search Simple Fields 跨站请求伪造漏洞
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 Search Simple Fields 0.2及之前版本存在跨站请求伪造漏洞，该漏洞源于functions_admin.php中search_simple_fields_options函数缺少或错误的nonce验证
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 |
|---|---|---|---|---|
| simonailie | Search Simple Fields | 0 ~ 0.2 | - |
II. Public POCs for CVE-2026-8939
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-8939 (1)
IV. Related Vulnerabilities
Same weakness: CWE-352
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DeepAI api.deepai.org/change_user_email CSRF - CVE-2026-40549
Cross-Site Request Forgery in SOPlanning - CVE-2018-25397
PHP-SHOP 1.0 Cross-Site Request Forgery via users.php - CVE-2018-25387
HaPe PKH 1.1 Cross-Site Request Forgery via aksi_user.php
V. Comments for CVE-2026-8939
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