Unauthenticated Local File Inclusion in Mr. SEO Theme by Patchstack
CVE-2026-39568

8.1HIGH

Key Information:

Vendor

WordPress
Status
Mr. Seo
Vendor
CVE Published:
16 June 2026

What is CVE-2026-39568?

The Mr. SEO theme versions up to 2.0 are vulnerable to unauthenticated local file inclusion, allowing attackers to potentially access sensitive files on the server. This vulnerability can be exploited without user authentication, posing significant risks to WordPress installations using the affected version of the theme. Site administrators are advised to apply necessary updates and monitor their systems for any suspicious activity.

Affected Version(s)

Mr. SEO <= 2.0

References

https://patchstack.com/database/wordpress/theme/mrseo/vul...
vdb-entry

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tran Nguyen Bao Khanh (VCI - VNPT Cyber Immunity) | Patchstack Bug Bounty Program
.