plugin

Improveseo Vulnerabilities

1 known security issue reported for the Improveseo WordPress plugin. Most recent disclosed Jul 24, 2026.

1 critical

Running Improveseo on your site? Check whether your installed version is affected.

ImproveSEO <= 2.0.11 - Unauthenticated Arbitrary File Upload

critical

The ImproveSEO plugin for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 2.0.11. This is due to missing file type validation. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server, which may make remote code execution possible.

CVSS:: 9.8
Affected:: up to 2.0.11
Fix:: No patched version reported
Disclosed:: Jul 24, 2026

CVE-2026-16618 on NVD →

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