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CVE-2026-109367

All in One SEO <= 5.0.3 - Unauthenticated Sensitive Information Disclosure in 's' Search Query Parameter

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

The All in One SEO plugin for WordPress, which helps with search engine optimization, is affected. An unauthenticated attacker can use the site's search parameter to pull non-public data, such as API keys and internal notes stored in custom fields, exposing sensitive information to anyone who visits the crafted request.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

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.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • smub All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights)

    through 5.0.3

References 8

wordfence.com

plugins.trac.wordpress.org