CVE-2025-53443 HIGH

CVE-2025-53443: WordPress Smash theme <= 1.7 - Local File Inclusion vulnerability

Vendor Axiomthemes
Product Smash
Weakness CWE-98 · PHP file inclusion
Published December 18, 2025
Last update April 28, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in axiomthemes Smash smash allows PHP Local File Inclusion.This issue affects Smash: from n/a through <= 1.7.

Explanation of Vulnerability in Simple Terms

02Summary

Smash versions 1.7 and earlier contain a code injection vulnerability that allows unauthenticated attackers to execute arbitrary code on the site. The vulnerability requires high attack complexity but no user interaction. Successful exploitation grants full control over the affected system, including the ability to read, modify, or delete data.

What an attacker can do

03Attacker Capabilities

Run their own code on the site and access or modify any data stored there.

Potential impact on your site

04Site Impact

Complete compromise of the site and all data; attacker can steal credentials, modify content, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication required, but exploitation requires specific conditions to be met.

Key dates

06Disclosure timeline

December 18, 2025 CVE published
April 28, 2026 Record updated