CVE-2026-109367mediumCWE-200

CVE-2026-109367: medium-severity vulnerability in smub All in One SEO – AI SEO Plugin to Boost…

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

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.3%
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
smub · All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights)
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