CVE-2025-53439 WordPress Harper theme <= 1.13 - Local File Inclusion vulnerability
Attackers can exploit a Local File Inclusion vulnerability in the Harper WordPress theme to read arbitrary files or execute 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-2025-53439?
CVE-2025-53439 is a high-severity path traversal vulnerability in axiomthemes Harper, published on 18 Dec 2025. 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 axiomthemes Harper harper allows PHP Local File Inclusion.This issue affects Harper: from n/a through <= 1.13.
Weakness: CWE-98
Which versions are affected by CVE-2025-53439?
It affects 1 product.
Products include Axiomthemes Harper.
How do I fix CVE-2025-53439?
No fix has been published for CVE-2025-53439 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-2025-53439 being exploited?
There is no known exploitation of CVE-2025-53439 in the wild and no public exploit code.
Sources
Also known as GHSA-px4h-6x2v-vm6j.