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CVE-2026-8610— TypeSquare Webfonts for ConoHa <= 2.0.4 - Missing Authorization to Authenticated (Subscriber+) Plugin Settings Modification via 'fontThemeUseType' Parameter

Quick assessment

Affected
conoha TypeSquare Webfonts for ConoHa
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 TypeSquare Webfonts for ConoHa 2.0.4及之前版本存在安全漏洞，该漏洞源于未正确验证用户授权，可能导致经过身份验证的攻击者修改插件字体设置，部分分支还可通过跨站请求伪造利用。

CVSS 4.3 · Medium EPSS 0.29% · P22

Affected Version Matrix 1

VendorProduct Version RangeStatus
conoha TypeSquare Webfonts for ConoHa ≤ 2.0.4 affected
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I. Basic Information for CVE-2026-8610

Vulnerability Information
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Vulnerability Title
TypeSquare Webfonts for ConoHa <= 2.0.4 - Missing Authorization to Authenticated (Subscriber+) Plugin Settings Modification via 'fontThemeUseType' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The TypeSquare Webfonts for ConoHa plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.0.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify the plugin's site-wide font settings, including the typesquare_auth option (fontThemeUseType), show_post_form, and typesquare_fonttheme, by submitting a POST request to any wp-admin page. For fontThemeUseType values 1 and 3, no nonce verification is performed either, meaning those branches are additionally exploitable via cross-site request forgery.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin TypeSquare Webfonts for ConoHa 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 TypeSquare Webfonts for ConoHa 2.0.4及之前版本存在安全漏洞，该漏洞源于未正确验证用户授权，可能导致经过身份验证的攻击者修改插件字体设置，部分分支还可通过跨站请求伪造利用。
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
conoha TypeSquare Webfonts for ConoHa 0 ~ 2.0.4 -

II. Public POCs for CVE-2026-8610

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III. Intelligence Information for CVE-2026-8610

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Patches & Fixes for CVE-2026-8610 (3)

Vendor Advisories for CVE-2026-8610 (1)

IV. Related Vulnerabilities

Same product: TypeSquare Webfonts for ConoHa
Same weakness: CWE-862

V. Comments for CVE-2026-8610

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