CVE-2021-24943
9.8 · CRITICALOverview
CVE-2021-24943 is a critical-severity vulnerability affecting roundupwp registrations_for_the_events_calendar. It was published on December 6, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Check the references section for vendor advisories and patches from roundupwp. Update registrations_for_the_events_calendar to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| roundupwp | registrations_for_the_events_calendar | >= 0, < 2.7.6 | Affected |
Frequently Asked Questions
What is CVE-2021-24943?
CVE-2021-24943 is a critical-severity vulnerability affecting roundupwp registrations_for_the_events_calendar. It was published on December 6, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-24943?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-24943?
Check the references section for vendor advisories and patches from roundupwp. Update registrations_for_the_events_calendar to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-24943?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-24943 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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