CVE-2026-22521 WordPress Handmade Framework plugin <= 3.9 - Local File Inclusion vulnerability

High 7.5 Published Updated

Attackers can exploit a local file inclusion vulnerability in the Handmade Framework plugin to read sensitive files or execute arbitrary code.

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

What is CVE-2026-22521?

CVE-2026-22521 is a high-severity path traversal vulnerability in G5Theme Handmade Framework, published on 8 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in G5Theme Handmade Framework handmade-framework allows PHP Local File Inclusion.This issue affects Handmade Framework: from n/a through <= 3.9.

Weakness: CWE-98

Which versions are affected by CVE-2026-22521?

How do I fix CVE-2026-22521?

No fix has been published for CVE-2026-22521 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-22521 being exploited?

There is no known exploitation of CVE-2026-22521 in the wild and no public exploit code.

Sources

Also known as GHSA-f5vm-3c88-r99x.

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