Payment Verification Bypass in Quads Ads Manager for Google AdSense Plugin
CVE-2026-89050

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Quads Ads Manager For Google Adsense
Vendor
CVE Published:
13 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-89050?

The Quads Ads Manager for Google AdSense plugin prior to version 3.0.5 contains a security flaw that allows users to mark an ad-selling order as paid without verifying the completion of the payment through the configured payment gateway. This vulnerability poses a risk as it enables unauthorized ad placements, allowing individuals who can place orders to exploit the system and gain access to paid advertising without proper payment verification.

Affected Version(s)

Quads Ads Manager for Google AdSense 3.0.4 < 3.0.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-89050 - Proof of Concept

References

https://wpscan.com/vulnerability/da063797-1c68-4164-a94b-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

JunHee CHO
WPScan
.