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CVE-2026-8942— MetaMagic SEO Plugin <= 1.6 - Cross-Site Request Forgery to Plugin Settings Update via Settings Page

Quick assessment

Affected
lhughes33472 MetaMagic SEO Plugin
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 MetaMagic SEO Plugin 1.6及之前版本存在跨站请求伪造漏洞，该漏洞源于metamagic_update_options函数缺少或错误的nonce验证，可能导致跨站请求伪造攻击。

CVSS 4.3 · Medium EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1132.001 · Standard Encoding

Affected Version Matrix 1

VendorProduct Version RangeStatus
lhughes33472 MetaMagic SEO Plugin ≤ 1.6 affected
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I. Basic Information for CVE-2026-8942

Vulnerability Information
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Vulnerability Title
MetaMagic SEO Plugin <= 1.6 - Cross-Site Request Forgery to Plugin Settings Update via Settings Page
Source: CVE Program / CVE List V5
Vulnerability Description
The MetaMagic SEO Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.6. This is due to missing or incorrect nonce validation on the metamagic_update_options function. This makes it possible for unauthenticated attackers to modify the plugin's SEO settings, including enabling or disabling the plugin and toggling description and keyword meta tag output via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin MetaMagic SEO Plugin 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 MetaMagic SEO Plugin 1.6及之前版本存在跨站请求伪造漏洞，该漏洞源于metamagic_update_options函数缺少或错误的nonce验证，可能导致跨站请求伪造攻击。
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
lhughes33472 MetaMagic SEO Plugin 0 ~ 1.6 -

II. Public POCs for CVE-2026-8942

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III. Intelligence Information for CVE-2026-8942

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Patches & Fixes for CVE-2026-8942 (2)

IV. Related Vulnerabilities

Same weakness: CWE-352

V. Comments for CVE-2026-8942

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