Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Co
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Co
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Co
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Co
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Co
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Co
- https://plugins.trac.wordpress.org/changeset/3760115/all-in-one-seo-pack/trunk/a
- https://www.wordfence.com/threat-intel/vulnerabilities/id/75510022-382c-4d03-9c5
FAQ
What is CVE-2026-109367?
CVE-2026-109367 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 t...
How severe is CVE-2026-109367?
CVE-2026-109367 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-109367?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.