CVE-2025-14351— Custom Fonts – Host Your Fonts Locally <= 2.1.16 - Missing Authorization to Unauthenticated Font Deletion
Quick assessment
Affected
brainstormforce Custom Fonts – Host Your Fonts Locally
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 Custom Fonts 2.1.16及之前版本存在安全漏洞，该漏洞源于缺少能力检查，可能导致未经验证的攻击者删除字体目录和重写theme.json文件。
Possible ATT&CK Techniques 3 AI
T1190 · Exploit Public-Facing Application T1499.001 · OS Exhaustion Flood T1565.001 · Stored Data Manipulation
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I. Basic Information for CVE-2025-14351
Vulnerability Information
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Vulnerability Title
Custom Fonts – Host Your Fonts Locally <= 2.1.16 - Missing Authorization to Unauthenticated Font Deletion
Source: CVE Program / CVE List V5
Vulnerability Description
The Custom Fonts – Host Your Fonts Locally plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the 'BCF_Google_Fonts_Compatibility' class constructor function in all versions up to, and including, 2.1.16. This makes it possible for unauthenticated attackers to delete font directory and rewrite theme.json file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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 Custom Fonts 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 Custom Fonts 2.1.16及之前版本存在安全漏洞，该漏洞源于缺少能力检查，可能导致未经验证的攻击者删除字体目录和重写theme.json文件。
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 |
|---|---|---|---|---|
| brainstormforce | Custom Fonts – Host Your Fonts Locally | * ~ 2.1.16 | - |
|
II. Public POCs for CVE-2025-14351
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2025-14351 (1)
IV. Related Vulnerabilities
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Same weakness: CWE-862
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V. Comments for CVE-2025-14351
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