Auth bypass in Spacetime Ad Inserter – Manager & Adsense Ads

CVE-2026-11983

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 in the `ai_ajax` function. This makes it possible for unau…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11983?
CVE-2026-11983 is a medium-severity vulnerability in Spacetime Ad Inserter – Manager & Adsense Ads, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-08-06.
How severe is CVE-2026-11983?
Medium severity. CVSS v3 base score is 5.3 out of 10.