CVE-2026-100152 All in One SEO <= 5.0.2 - Unauthenticated Arbitrary Shortcode Execution via 's' Search Query Parameter
Unauthenticated attackers can execute arbitrary shortcodes via the search parameter if AIOSEO breadcrumbs are rendered on search results pages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100152?
CVE-2026-100152 is a medium-severity code injection vulnerability in smub All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights), published on 3 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-94
Which versions are affected by CVE-2026-100152?
How do I fix CVE-2026-100152?
No fix has been published for CVE-2026-100152 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-100152 being exploited?
There is no known exploitation of CVE-2026-100152 in the wild and no public exploit code.
Sources
Also known as GHSA-5q32-9w97-g3v9.