RCE in Smub All In One Seo – Ai Plugin To Boost Rankings & Traffic (Schema, Local Seo, Sitemap Insights)
CVE-2026-100152
The 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 arbitrary shortcode execution in all versions up to, and including, 5.0.2 This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes. This requires the AIOSEO breadcrumb to be rendered on the search results page via the block, widget, shortcode, or template tag.
Vulnerability class: RCE (Remote Code Execution)
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/9fa47d2b-e9a9-4d1b-b933-fd4aa…
- plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.2/app/Common/Br…
- plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.2/app/Common/Br…
- plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.2/app/Common/Br…
- plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/5.0.2/app/Common/Br…
- plugins.trac.wordpress.org/changeset/3723760/all-in-one-seo-pack/trunk/app/Comm…
- plugins.trac.wordpress.org/changeset/3723760/all-in-one-seo-pack/trunk/app/Comm…
Frequently asked questions
- What is CVE-2026-100152?
- CVE-2026-100152 is a medium-severity vulnerability in Smub All In One Seo – Ai Plugin To Boost Rankings & Traffic (Schema, Local Seo, Sitemap Insights), classified under Code Injection. CVSS score: 6.5/10. Published 2026-10-03.
- How severe is CVE-2026-100152?
- Medium severity. CVSS v3 base score is 6.5 out of 10.