CVE-2025-53439CWE-98

WordPress Harper theme <= 1.13 - Local File Inclusion vulnerability

High · published December 18, 2025

CVSS v3.1
8.1
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

⚡ A single malformed path is all it takes to breach your server! This PHP Local File Inclusion vulnerability in Axiomthemes' Harper theme could let an attacker include files from your system without breaking a sweat. 🔥 Think of it like a delivery person who doesn't check the address and drops off packages anywhere they please, including your sensitive files! With this oversight, attackers can potentially access critical data without any checks. If exploited, an attacker could gain unauthorized access to sensitive files on your server, exposing your entire application to significant risk. This means they could view, modify, or even delete important data, leading to absolutely devastating consequences for your site. Don't let your files become an open book!

Put simply

Think of it like a delivery person who doesn't check the address and drops off packages anywhere they please, including your sensitive files! With this oversight, attackers can potentially access critical data without any checks. The flaw arises from improper control of filename inputs in PHP's include/require statements, allowing remote file inclusion if the attacker provides a crafted path. This bug impacts Harper versions from n/a to <= 1.13, making it a juicy target for exploitation.

What to do

If exploited, an attacker could gain unauthorized access to sensitive files on your server, exposing your entire application to significant risk. This means they could view, modify, or even delete important data, leading to absolutely devastating consequences for your site. Don't let your files become an open book! To remediate this vulnerability, upgrade to the latest version of Harper immediately. Additionally, review your file handling practices to ensure all paths are validated and sanitized properly. Don't forget to implement security measures to restrict file inclusions! You've got this! Follow these steps, and you'll be on your way to fortifying your security defenses in no time. 🛡️

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00499 · 41.8th percentile
Weakness
CWE-98 · Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
Published
2025-12-18T07:21Z
EPSS history
Timeline
  • 18 DEC 07:21Z
    WordPress Harper theme <= 1.13 - Local File Inclusion vulnerability
    cvelistv5