Vulnerability · Published Aug 21, 2026 · Assigned by WPScan
CVE-2026-16650Charitable < 1.8.12 - Unauthenticated Donation Payment-Status Manipulation via Square Webhook Signature Bypass
Medium 5.3
In plain English
A medium-severity insufficient verification of data authenticity in Charitable from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 94.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Charitable | 0 – before 1.8.12 |
Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- https://wpscan.com/vulnerability/da611bd1-0702-4cdd-b04c-ad7210f78cfe/ exploit, vdb-entry, technical-description