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CVE-2026-109367
All in One SEO <= 5.0.3 - Unauthenticated Sensitive Information Disclosure in 's' Search Query Parameter
Medium5.3EPSS 0.28%
- Published
- Updated
- Reserved
- Assigned by
- Wordfence
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| WordfenceCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Deferred | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.28% · top 79% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
References (8)
- https://www.wordfence.com/threat-intel/vulnerabilities/id/75510022-382c-4d03-9c59-1d06349e72bb?source=cve (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Utils/Tags.php#L1494 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Utils/Tags.php#L1393 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Utils/Tags.php#L965 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Utils/Tags.php#L1214 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Meta/Title.php#L116 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.3/app/Common/Meta/Helpers.php#L95 (opens in a new tab)
- https://plugins.trac.wordpress.org/changeset/3760115/all-in-one-seo-pack/trunk/app/Common/Utils/Tags.php (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-109367)Record last updated .