CVE-2026-89050

Deferred Deferred - Pending Action

Free Ad Placement in Quads Ads Manager WordPress Plugin

Publication date: 2026-09-13

Last updated on: 2026-09-14

Assigner: WPScan

Description

The Quads Ads Manager for Google AdSense WordPress plugin before 3.0.5 does not verify payment completion with the configured payment gateway before marking an ad-selling order as paid, allowing users who can place an order to obtain a paid ad placement without payment.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-13

Last Modified

2026-09-14

Generated

2026-10-04

AI Q&A

2026-09-14

EPSS Evaluated

2026-10-02

NVD

CVE-2026-89050

Affected Vendors & Products

Vendor	Product	Version / Range
quads	ads_manager	to 3.0.5 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-345	The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

Attack-Flow Graph

Executive Summary

This vulnerability is in the Quads Ads Manager for Google AdSense WordPress plugin before version 3.0.5. It allows users to place an order for an ad placement without actually completing the payment. The plugin fails to verify payment completion with the configured payment gateway before marking the order as paid, enabling free ad placements.

Detection Guidance

This vulnerability can be detected by checking the version of the Quads Ads Manager plugin. If the version is below 3.0.5, the system is vulnerable. Inspect the plugin files or WordPress admin panel for the version number.

Impact Analysis

If you use this plugin, attackers could exploit this flaw to get paid ad placements without paying, reducing your revenue. Website owners may lose income as ads are displayed without compensation. Users placing ads could also manipulate the system to gain visibility without cost.

Compliance Impact

This vulnerability could potentially impact compliance with data protection regulations like GDPR and HIPAA by enabling unauthorized or unpaid ad placements, which may lead to improper data handling or financial discrepancies. However, the provided CVE details do not explicitly address compliance implications.

Mitigation Strategies

Update the Quads Ads Manager for Google AdSense WordPress plugin to version 3.0.5 or later to address the payment verification flaw.

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