Custom Fonts – Host Your Fonts Locally: A security weakness
Custom Fonts – Host Your Fonts Locally is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- Custom Fonts – Host Your Fonts Locally
- Plugin slug
custom-fonts- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Jan 20, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Jan 20, 2026 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
Update Custom Fonts – Host Your Fonts Locally to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N