CVE detail
CVE-2021-24943 — CVE-2021-24943
Published 2021-12-06 · Modified 2026-06-17 · Vendor roundupwp · Product registrations_for_the_events_calendar · Source nvd
CRITICAL
severity
CVSS-derived band
0.0747
EPSS probability
exploitation probability, 30d
94.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References