Live › vulnerability › CVE-2026-109367
The All in One SEO WordPress plugin, up to and including version 5.0.3, echoes the search parameter 's' into the page title and structured data, including non-public post meta values. An unauthenticated attacker can use this to read custom fields such as API keys and internal notes.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-31 09:34 UTC. All times on this page are UTC.
Any WordPress site running All in One SEO at version 5.0.3 or lower is exposed, since the flaw is reachable through the public search parameter without logging in. Sites that do not run this plugin can skip it. The sources do not state a fixed version.
No product ranges from the sources yet.
wp plugin get all-in-one-seo-pack --field=version if WP-CLI is available.5.0.3 or lower.No fix yet, per the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
The All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights) plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 5.0.3 via the 's' parameter. This makes it possible for unauthenticated attackers to extract arbitrary non-public post meta values, including sensitive custom fields such as API keys and internal notes, emitted verbatim into the HTML title element and JSON-LD SearchResultsPage schema.
This page as .md · .json · in your agent: get_signal("CVE-2026-109367")
NVD data is provided by NIST and is public domain · EPSS scores by FIRST, used with attribution. Posts quoted belong to their authors.