SEPTEMBER 21, 2026
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Case File

CVE-2021-24943

CRITICAL · CVSS 9.8 EPSS 7.47%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-06 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects WordPress. It involves a SQL injection risk. Exploitation may require the attacker to be authenticated.

CVE
CVE-2021-24943
Severity
CRITICAL
CVSS
9.8
EPSS
7.47%
WordPress

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)