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CVE-2026-16650

Charitable < 1.8.12 - Unauthenticated Donation Payment-Status Manipulation via Square Webhook Signature Bypass

MEDIUM
5.3
CVSS Score
Published: August 21, 2026 at 11:40 AM UTC
Updated: October 16, 2026 at 03:10 PM UTC
1 product affected across 1 vendorCharitable

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Charitable· Wpcharitablewordpress-plugin
90%
0 ≤ v < 1.8.120
Affected range stops below 1.8.12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/da611bd1-0702-4cdd-b04c-ad7210f78cfe/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMWPScan
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-345

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