CVE-2026-11984: Spacetime Ad Inserter – Ad Manager & Adsense Ads

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.8.16 due to a missing capability check on the `ai-debug-code` URL-parameter. This makes it possible for unauthenticated attackers to view administrator-configured header and footer code blocks that have been disabled from public display.

Affected products

• Spacetime Ad Inserter – Ad Manager & Adsense Ads: up to and including 2.8.16

Published 2026-09-16. Last modified 2026-09-16.