What the vulnerability does
01Description
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in axiomthemes smart SEO smartSEO allows PHP Local File Inclusion.This issue affects smart SEO: from n/a through <= 2.12.
Explanation of Vulnerability in Simple Terms
02Summary
Smart SEO versions 2.12 and earlier contain a code injection vulnerability that allows unauthenticated attackers to execute arbitrary code on affected sites. The vulnerability requires high attack complexity but does not require user interaction. Successful exploitation grants full control over the site, including the ability to read, modify, or delete data.
What an attacker can do
03Attacker Capabilities
Execute arbitrary code on the site without authentication.
Potential impact on your site
04Site Impact
Complete site compromise: attackers can steal data, modify content, install malware, or take the site offline.
Conditions required to exploit
05Prerequisites
Network access to the site; high attack complexity suggests specific conditions must be met.
Key dates
06Disclosure timeline
December 18, 2025
CVE published
April 28, 2026
Record updated