SQL Injection in Roundupwp Registrations For The Events Calendar
CVE-2021-24943
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.
Vulnerability class: SQL Injection
EPSS: 0.075 (93.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Roundupwp Registrations_for_the_events_calendar
- Unknown Registrations For The Events Calendar – Event Registration Plugin — versions 2.7.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24943?
- CVE-2021-24943 is a critical-severity vulnerability in Roundupwp Registrations For The Events Calendar, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-12-06.
- How severe is CVE-2021-24943?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-24943 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.