CVE-2026-89050 PUBLISHED

Quads Ads Manager for Google AdSense < 3.0.5 - Subscriber+ Ad-Selling Payment Bypass via Unverified Success Return URL

Assigner: WPScan
Reserved: 10.09.2026 Published: 13.09.2026 Updated: 14.09.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Unknown
Product	Quads Ads Manager for Google AdSense
Versions	Default: unaffected affected from 3.0.4 to 3.0.5 (excl.)

Credits

JunHee CHO finder
WPScan coordinator

References

https://wpscan.com/vulnerability/da063797-1c68-4164-a94b-9e9b628bcd75/

Problem Types

CWE-345 Insufficient Verification of Data Authenticity CWE