MEDIUM 5.3 NVD

CVE-2026-121636

The Quick Event Manager WordPress plugin before 9.19 does not verify the authenticity of PayPal payment notifications before marking event registrations as paid

The Quick Event Manager WordPress plugin before 9.19 does not verify the authenticity of PayPal payment notifications before marking event registrations as paid, which could allow unauthenticated attackers to mark registrations as paid without making a payment.

References

https://wpscan.com/vulnerability/04b181e1-639c-476f-b66b-2a073bf36829/

Published: 2026-11-06 · Source: NVD · Feed updated: 2026-11-07

This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-11-06 via NVD.

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