CVE-2026-3177Network attack vector

Donation status forgery via unsigned Stripe webhooks

Published Apr 7, 2026 · Updated Apr 7, 2026

Charitable 1.8.9.7 and earlier allows remote attackers to mark pending donations complete through forged Stripe webhook events. The Stripe webhook handler accepts payment_intent.succeeded payloads without cryptographically verifying their origin or signature. No authentication or user interaction is required; a network request can falsify donation status without a corresponding payment.

CVSS severity5.3
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Charitable 1.8.9.7 and earlier allows remote attackers to mark pending donations complete through forged Stripe webhook events. The Stripe webhook handler accepts payment_intent.succeeded payloads without cryptographically verifying their origin or signature. No authentication or user interaction is required; a network request can falsify donation status without a corresponding payment.

The record

CVE
CVE-2026-3177
Published
Apr 7, 2026
Updated
Apr 7, 2026
Vendor
Sandhills Development, LLC
Product
Charitable
Classifications
CWE-345, T1565.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 7, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.8.9.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Sandhills Development, LLC · Charitableversion=0 <=1.8.9.7

Published CVSS scores

5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-345Insufficient Verification of Data Authenticity
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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