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CVE-2026-121636

MEDIUM 5.3 CVSS 3.1
Published
November 6, 2026
Last modified
November 6, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-345
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

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.

Affected WordPress components

  • Quick Event Manager Plugin · quick-event-manager
    Possible match Active
    From 9.9.5 (including) to 9.19 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Quick Event Manager — From 9.9.5 (including) to 9.19 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/04b181e1-639c-476f-b66b-2a073bf36829/
  • nvd.nist.gov Official NVD record