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CVE-2026-103330— Sadad QA Payment 1.28 - Unauthenticated Arbitrary Order Payment Confirmation via Signature Bypass

Quick assessment

Affected
Unknown Sadad QA Payment
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.

Sadad QA Payment WordPress 插件（1.28 及更早版本）未能正确验证传入支付通知的真实性。由于验证机制依赖的商户密钥默认为空，且签名数据的其余部分可由攻击者控制，未认证的攻击者因此能够伪造有效的支付确认信息，从而将订单标记为“已支付”，而实际上并未完成支付。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-103330

Vulnerability Information
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Vulnerability Title
Sadad QA Payment 1.28 - Unauthenticated Arbitrary Order Payment Confirmation via Signature Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The Sadad QA Payment WordPress plugin through 1.28 does not correctly verify the authenticity of incoming payment notifications, as the verification is keyed on a merchant secret that is empty by default and the rest of the signed data is attacker-controlled, allowing unauthenticated attackers to forge a valid confirmation and mark orders as paid without payment.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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 Sadad QA Payment 1.28 ~ 1.28 -

II. Public POCs for CVE-2026-103330

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III. Intelligence Information for CVE-2026-103330

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Same Patch Batch · Unknown · 2026-10-28 · 42 CVEs total

CVE-2026-110508 5.3 MEDIUM Essential Addons for Elementor 6.7.3 - 6.8.6 - Unauthenticated Registration Approval Bypas
CVE-2026-106648 5.3 MEDIUM Royal Elementor Addons < 1.7.1070 - Unauthenticated Arbitrary Email Recipient Injection vi
CVE-2026-103313 5.3 MEDIUM BitPay Gateway for WooCommerce <= 4.1.3 - Unauthenticated Payment Bypass via Payment Retur
CVE-2026-115223 4.9 MEDIUM Smart Popup by Supsystic < 2.0.2 - Admin+ SSTI via Popup Text Block
CVE-2026-110524 Copy Anything to Clipboard < 5.5.5 - Contributor+ Stored XSS via 'success-text' Shortcode
CVE-2026-103331 UniPAY Payment Gateway For WooCommerce <= 2.3 - Unauthenticated Order Payment Forgery via
CVE-2026-110509 Essential Addons for Elementor < 6.8.7 - Unauthenticated Private Post Meta Disclosure via
CVE-2026-107100 Royal Elementor Addons 1.3.81 - 1.7.1069 - Unauthenticated Non-Public Post Content Disclos
CVE-2026-110506 Page Builder by SiteOrigin < 2.38.0 - Contributor+ Stored XSS via panels_info.class
CVE-2026-110292 PayPlug for WooCommerce 2.9.0 - 3.1.0 - Unauthenticated Order Key Disclosure and Order Can
CVE-2026-110507 Page Builder by SiteOrigin < 2.38.0 - Contributor+ Sensitive Data Disclosure via Post Loop
CVE-2026-106002 Court Reservation < 1.12.4 - Unauthenticated Arbitrary Challenge Deletion
CVE-2026-106003 Court Reservation < 1.12.4 - Unauthenticated Reservation Type Addition and Deletion
CVE-2026-106647 Royal Elementor Addons 1.3.68 - 1.7.1069 - Author+ Form Submission Interception via Widget
CVE-2026-107098 Royal Elementor Addons 1.7.1037 - 1.7.1069 - Contributor+ Stored XSS via Google Maps Widge
CVE-2026-107097 Royal Elementor Addons 1.3.71 - 1.7.1069 - Unauthenticated Mailchimp Audience Injection vi
CVE-2026-103382 Casso Auto-confirm Bank Transfer < 4.2.0 - Unauthenticated WooCommerce Order Payment Confi
CVE-2026-103688 Checkout Files Upload for WooCommerce < 2.4.0 - Unauthenticated Arbitrary File Upload
CVE-2026-105972 WooCommerce Menu Cart < 3.2.1 - Unauthenticated Stored XSS via Cart Item Variation Attribu
CVE-2026-105997 Booking Package < 1.7.33 - Unauthenticated Verification Email Sending to Arbitrary Recipie

Showing top 20 of 42 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Unknown