CVE-2026-11983
Received Received - Intake

Authorization Bypass in Ad Inserter WordPress Plugin

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: Wordfence

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.

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Meta Information

Published
2026-08-06
Last Modified
2026-08-06
Generated
2026-08-06
AI Q&A
2026-08-06
EPSS Evaluated
N/A
NVD
CVE-2026-11983
EUVD
EUVD-2026-53865

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
awesomemotive ad_inserter to 2.8.16 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

The Ad Inserter – Ad Manager & AdSense Ads WordPress plugin up to version 2.8.16 has an authorization bypass flaw. The vulnerability exists in the ai_ajax function due to a missing capability check, allowing unauthenticated attackers to view restricted ad block contents that should only be visible to administrators.

Detection Guidance

Check WordPress sites using the Ad Inserter plugin version 2.8.16 or lower. Review server logs for unauthorized access attempts to the ai_ajax function or restricted ad block content.

Impact Analysis

Unauthenticated attackers could access sensitive ad block content restricted to administrators. This may expose confidential or internal information, leading to data leaks or unauthorized visibility into restricted content.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, potentially violating GDPR (data protection) or HIPAA (health information privacy) if restricted ad content contains protected information. Compliance may be compromised due to unauthorized data exposure.

Mitigation Strategies

Update the Ad Inserter plugin to the latest version immediately. If an update is unavailable, disable the plugin until a patch is released. Review and restrict access to sensitive ad blocks.

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