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CVE-2026-16650— Charitable < 1.8.12 - Unauthenticated Donation Payment-Status Manipulation via Square Webhook Signature Bypass

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-16650

Vulnerability Information
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Vulnerability Title
Charitable < 1.8.12 - Unauthenticated Donation Payment-Status Manipulation via Square Webhook Signature Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The Charitable WordPress plugin before 1.8.12 does not verify the authenticity of incoming Square payment webhook events in a default configuration, allowing unauthenticated attackers to forge webhook notifications that mark donations as paid without any real 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

VendorProductAffected VersionsCPESubscribe
UnknownCharitable 0 ~ 1.8.12 -

II. Public POCs for CVE-2026-16650

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III. Intelligence Information for CVE-2026-16650

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News Coverage for CVE-2026-16650 (1)

Same Patch Batch · Unknown · 2026-08-21 · 20 CVEs total

CVE-2026-198486.5 MEDIUMProfilePress < 4.17.1 - Unauthenticated Arbitrary Shortcode Execution via Display Name
CVE-2026-175595.3 MEDIUMContent Protector (Passster) < 4.3.9 - Unauthenticated Protected Content Disclosure via RE
CVE-2026-151505.3 MEDIUMmyCred < 3.2.5 - Unauthenticated Payment Bypass via Missing PayPal IPN Receiver Verificati
CVE-2026-150464.2 MEDIUMLitExtension: Store to WooCommerce Migration <= 1.2.5 - Connector Token Takeover via CSRF
CVE-2026-183563.7 LOWLimit Login Attempts Reloaded < 3.3.5 - Username Denylist Bypass via Case Variant and Acco
CVE-2026-131762.7 LOWEventin < 4.1.21 - Contributor+ Server-Side Request Forgery
CVE-2026-13736NewPath WildApricotPress Add-on – Member Directory <= 1.0.0 - Unauthenticated Member PII D
CVE-2025-15671Welcart e-Commerce < 2.12.1 - Session Fixation via uscesid Parameter
CVE-2026-14325Drag and Drop Multiple File Upload for Contact Form 7 < 1.3.9.9 - Admin+ Stored XSS via dr
CVE-2026-14601Link Whisper < 0.9.7 - Editor+ SQL Injection via domain Parameter
CVE-2026-16576Dokan < 5.0.14 - Shop Manager+ Arbitrary Plugin Installation/Activation via REST API
CVE-2026-16962Tamara Checkout <= 1.9.9.20 - Unauthenticated Order Status Manipulation
CVE-2026-16575Dokan < 5.0.14 - Unauthenticated Commission Settings Disclosure via Store Categories REST
CVE-2026-19085Copy & Delete Posts < 1.5.6 - Author+ Password-Protected Post Content Disclosure
CVE-2026-19435Copy & Delete Posts < 1.5.6 - Authenticated Arbitrary Post Content and Password Disclosure
CVE-2026-18781Drag and Drop Multiple File Upload for Contact Form 7 < 1.3.9.9 - Unauthenticated RCE via
CVE-2026-16959Media Library Assistant < 3.40 - Author+ SQL Injection via mla_search_connector
CVE-2026-16577Dokan < 5.0.14 - Vendor+ Reverse Withdrawal Ledger Manipulation via Client-Supplied Amount
CVE-2026-75796AI Engine 2.8.0 - 3.6.0 - Admin+ Multisite Network Administrator Account Takeover via MCP

IV. Related Vulnerabilities

Same product: Charitable
Same vendor: Unknown

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