CVE-2026-22420 WordPress Horizon theme <= 1.1 - Local File Inclusion vulnerability
An attacker can exploit a local file inclusion vulnerability in the Horizon WordPress theme to read sensitive files or execute arbitrary code.
- 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-2026-22420?
CVE-2026-22420 is a high-severity path traversal vulnerability in AncoraThemes Horizon, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, 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 AncoraThemes Horizon horizon allows PHP Local File Inclusion.This issue affects Horizon: from n/a through <= 1.1.
Weakness: CWE-98
Which versions are affected by CVE-2026-22420?
How do I fix CVE-2026-22420?
No fix has been published for CVE-2026-22420 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-2026-22420 being exploited?
There is no known exploitation of CVE-2026-22420 in the wild and no public exploit code.
Sources
Also known as GHSA-3p22-xqh7-5345.