CVE-2026-11983

Ad Inserter <= 2.8.16 - Missing Authorization to Block Visibility Bypass via ai_ajax

Published Aug 6, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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 unauthenticated attackers to view the contents of ad blocks that an administrator has restricted to administrator-only visibility.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Spacetime
Spacetime ad Inserter – Ad Manager & Adsense Ads
Wordpress
Wordpress wordpress
Vendors & Products Spacetime
Spacetime ad Inserter – Ad Manager & Adsense Ads
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description 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 unauthenticated attackers to view the contents of ad blocks that an administrator has restricted to administrator-only visibility.
Title Ad Inserter <= 2.8.16 - Missing Authorization to Block Visibility Bypass via ai_ajax
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Aug 6, 2026, 3:00 PM
Reserved
Jun 11, 2026, 2:00 PM
Status
Deferred
Published
Aug 6, 2026, 12:16 PM
Modified
Aug 12, 2026, 9:00 PM