Name: CVE-2021-24943: Improper Neutralization of Special Elements used in an SQL Command
Creator: Rapid7
Published: 2021-12-06T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-24943, CWE-89, CVSS 9.8, EPSS 0.55452

The Registrations for the Events Calendar WordPress plugin before 2.7.6 does not sanitise and escape the event_id in the rtec_send_unregister_link AJAX action (available to both unauthenticated and authenticated users) before using it in a SQL statement, leading to an unauthenticated SQL injection.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Registrations For The Events Calendar Plugin	—	Update registrations-for-the-events-calendar plugin to version 2.7.6, or a newer patched version	May 15, 2025	Nov 8, 2021

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence