CVE-2026-109367
All in One SEO <= 5.0.3 - Unauthenticated Sensitive Information Disclosure in 's' Search Query Parameter
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-200 |
| Vendor | smub |
| Product | all in one seo – ai seo plugin to boost seo rankings & traffic (schema, local seo, sitemap & seo insights) |
| Published | Oct 31, 2026 |
Stay Ahead of the Next One
Get instant alerts for smub all in one seo – ai seo plugin to boost seo rankings & traffic (schema, local seo, sitemap & seo insights)
Be the first to know when new medium vulnerabilities affecting smub all in one seo – ai seo plugin to boost seo rankings & traffic (schema, local seo, sitemap & seo insights) are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
smub / All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights)
0 ≤ 5.0.3
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/75510022-382c-4d03-9c59-1d06349e72bb?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Utils/Tags.php#L1494 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Utils/Tags.php#L1393 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Utils/Tags.php#L965 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Utils/Tags.php#L1214 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Meta/Title.php#L116 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Meta/Helpers.php#L95 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3760115/all-in-one-seo-pack/trunk/app/Common/Utils/Tags.php
Credits
Santh