CVE-2021-4458: The Modern Events Calendar Lite plugin for WordPress is vulnerable to SQL Injection via the 'id' parameter of the 'wp_ajax_mec_load_single_page' AJAX action in all versions up to, and including, 6.3.0

medium Affects modern-events-calendar-lite (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published 2025-07-12; advisory modified 2026-06-17.

The Modern Events Calendar Lite plugin for WordPress is vulnerable to SQL Injection via the 'id' parameter of the 'wp_ajax_mec_load_single_page' AJAX action in all versions up to, and including, 6.3.0

Package: modern-events-calendar-lite (WordPress plugin) WordPress
Affected versions: <6.4.0
Fixed in: 6.4.0
Severity: medium CVSS 5.9
Exploitation: not on CISA KEV · EPSS 0% (34.5th percentile)
Published: 2025-07-12
Source: nvd

References

CWE-89

NVD record modern-events-calendar-lite (WordPress plugin) advisories

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