CVE-2021-24876: Roundupwp Registrations For The Events Calendar

Medium severity, CVSS 6.1. EPSS: 1.2% chance of exploitation in the next 30 days.

The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting

Affected products

• Roundupwp Registrations For The Events Calendar: before 2.7.5 (fixed in 2.7.5)

Published 2021-11-29. Last modified 2026-06-17.