CVE-2025-14351 Custom Fonts – Host Your Fonts Locally <= 2.1.16 - Missing Authorization to Unauthenticated Font Deletion

Medium 5.3 Published Updated

Unauthenticated attackers can delete font directories and rewrite theme.json due to missing capability checks in the Custom Fonts plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-14351?

CVE-2025-14351 is a medium-severity missing authorization vulnerability in brainstormforce Custom Fonts – Host Your Fonts Locally, published on 20 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-862

Which versions are affected by CVE-2025-14351?

How do I fix CVE-2025-14351?

No fix has been published for CVE-2025-14351 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-14351 being exploited?

There is no known exploitation of CVE-2025-14351 in the wild and no public exploit code.

Sources

Also known as GHSA-q34g-wx65-85fq.

Is CVE-2025-14351 in your software?

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