High severity · published Mar 5, 2026
CVE-2026-28117
WordPress smart SEO theme <= 2.9 - Local File Inclusion vulnerability
8.1
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
smart SEO · axiomthemes
through 2.9 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28117
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28117
patchstack.com
https://patchstack.com/database/Wordpress/Theme/smartSEO/vulnerability/wordpress-smart-seo-theme-2-9-local-file-inclusion-vulnerability?_s_id=cve
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