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 <= 2.9.
Explanation of Vulnerability in Simple Terms
02Summary
Smart SEO versions 2.9 and earlier contain a code injection vulnerability that allows unauthenticated attackers to execute arbitrary code on affected sites. The vulnerability requires specific conditions to exploit but can lead to complete site compromise. No patch is currently available; administrators should contact the vendor for updates or consider disabling the plugin.
What an attacker can do
03Attacker Capabilities
Run their own code on the site without authentication.
Potential impact on your site
04Site Impact
Complete compromise of the site, including data theft, malware injection, and loss of availability.
Conditions required to exploit
05Prerequisites
Network access to the site; specific attack conditions must be met (high complexity).
Key dates
06Disclosure timeline
March 5, 2026
CVE published
April 28, 2026
Record updated