The nicheaddons Events Addon for Elementor plugin versions up to 2.2.0 contain a stored cross-site scripting vulnerability due to improper input neutralization during web page generation. This allows attackers with at least low privileges and requiring user interaction to inject malicious scripts that execute in the context of other users. The vulnerability has a CVSS 3.1 base score of 6.5 (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L), reflecting network attack vector, low attack complexity, low privileges required, user interaction needed, and impacts on confidentiality, integrity, and availability with scope change.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of affected users, potentially leading to information disclosure, modification of content, or disruption of availability. The vulnerability requires the attacker to have some privileges and user interaction to trigger the exploit. No known active exploitation has been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict privileges to trusted users and be cautious with user-generated content. Monitor for updates from nicheaddons regarding patches or mitigations for this vulnerability.