Medium severity · published Apr 7, 2026
CVE-2026-3177
Charitable – Donation Plugin for WordPress – Fundraising with Recurring Donations & More <= 1.8.9.7 - Insufficient Verification of Data Authenticity to Unauthenticated Donation Status Forgery via Stripe Webhook
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
The Charitable – Donation Plugin for WordPress – Fundraising with Recurring Donations & More plugin for WordPress is vulnerable to Insufficient Verification of Data Authenticity in versions up to, and including, 1.8.9.7. This is due to missing cryptographic verification of incoming Stripe webhook events. This makes it possible for unauthenticated attackers to forge payment_intent.succeeded webhook payloads and mark pending donations as completed without a real payment.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CD
Charitable – Donation Plugin for WordPress – Fundraising with Recurring Donations & More · smub
through 1.8.9.7 · source: vendor
Affected product
CD
Charitable – Donation Plugin for WordPress – Fundraising with Recurring Donations & More
smub
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3177
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3177
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset/3485023/charitable
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/bc3b2645-7b57-4884-99c5-e37dbd4a9600?source=cve
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