Vulnerability in Eventin
CVE-2026-84906
The Eventin WordPress plugin before 4.1.24 does not verify that a completed payment corresponds to the order it is applied to, confirming only that the payment gateway reports the transaction as successful, not its amount, currency, or which order it belongs to, allowing unauthenticated visitors to mark unpaid orders of any value as paid by replaying the transaction of a single genuine low-value payment.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Unknown Eventin
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-84906?
- CVE-2026-84906 is a medium-severity vulnerability in Eventin, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-09-16.
- How severe is CVE-2026-84906?
- Medium severity. CVSS v3 base score is 5.3 out of 10.