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CVE-2026-89050— Quads Ads Manager for Google AdSense < 3.0.5 - Subscriber+ Ad-Selling Payment Bypass via Unverified Success Return URL

Quick assessment

Affected
Unknown Quads Ads Manager for Google AdSense
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Quads Ads Manager for Google AdSense WordPress 插件在 3.0.5 版本之前，在将广告销售订单标记为“已支付”之前，未向所配置的支付网关验证支付是否已完成。这使得能够下单的用户可以在未实际付款的情况下获得已支付的广告位。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-89050

Vulnerability Information
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Vulnerability Title
Quads Ads Manager for Google AdSense < 3.0.5 - Subscriber+ Ad-Selling Payment Bypass via Unverified Success Return URL
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Quads Ads Manager for Google AdSense 3.0.4 ~ 3.0.5 -

II. Public POCs for CVE-2026-89050

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III. Intelligence Information for CVE-2026-89050

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News Coverage for CVE-2026-89050 (1)

Same Patch Batch · Unknown · 2026-09-13 · 15 CVEs total

CVE-2026-81648 10.0 CRITICAL CryptoPayment Gateway 1.2.1 - 1.2.2 - Unauthenticated Arbitrary File Deletion and Settings
CVE-2026-74933 8.8 HIGH GenieWords 1.5.27 - 1.5.34 - Unauthenticated Stored XSS and Configuration Overwrite
CVE-2026-85129 8.8 HIGH Hoo Companion 1.0.2 - Unauthenticated Stored XSS via Theme Settings Import
CVE-2026-88793 8.8 HIGH YouTube Embed 10.0 - 10.3 - Unauthenticated Stored XSS via youram_server
CVE-2026-88802 7.5 HIGH MDJM Event Management and Mobile Events Manager - Unauthenticated Arbitrary Post Deletion
CVE-2026-77773 Social Contact Form (FormyChat) < 2.15.8 - Unauthenticated Gravity Forms Entry Disclosure
CVE-2026-86406 User Registration & Membership < 5.2.8 - Subscriber+ Privilege Escalation via Membership P
CVE-2026-80071 User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator
CVE-2026-80072 User Registration & Membership < 5.2.8 - Unauthenticated Open Redirect via Login Redirect
CVE-2026-86407 User Registration & Membership < 5.2.8 - Unauthenticated User Data Disclosure via Membersh
CVE-2026-88764 Simple Membership < 4.7.8 - Subscriber+ Membership Level Escalation via PayPal Standard su
CVE-2026-88912 rtMedia for WordPress, BuddyPress and bbPress < 4.7.12 - Subscriber+ Arbitrary Activity Pr
CVE-2026-88995 Bookit < 2.6.0.1 - Unauthenticated Appointment PII Disclosure via Availability Check
CVE-2026-89080 Really Simple Security < 9.8.1 - Unauthenticated 2FA Bypass via Email Provider State Demot

IV. Related Vulnerabilities

Same product: Quads Ads Manager for Google AdSense
Same vendor: Unknown

V. Comments for CVE-2026-89050

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