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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-16618

ImproveSEO <= 2.0.11 - Unauthenticated Arbitrary File Upload Leading to Remote Code Execution

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Status
Published
Published
Updated
Assigning organization
WPScan

Description

The Improve SEO WordPress plugin through 2.0.11 does not properly validate uploaded files, checking only the file content type while writing the file with the attacker-supplied extension into a publicly accessible directory, allowing unauthenticated users to upload executable PHP files and achieve remote code execution.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Unknown Improve SEO

Default version status: unknown

  • 0 to ≤ 2.0.11affected

References