The vulnerability CVE-2025-30794 in StellarWP Event Tickets plugin (<= 5.20.0) is a reflected cross-site scripting (XSS) issue caused by improper input neutralization during web page generation. This allows attackers to inject malicious scripts that execute when a user interacts with crafted content, potentially compromising user data and session integrity. The CVSS 3.1 base score is 7.1 (high), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability at a low level. The vulnerability is publicly disclosed but no patch or vendor advisory is currently available.

Successful exploitation of this reflected XSS vulnerability can lead to execution of arbitrary scripts in the context of the victim's browser, potentially allowing theft of user credentials, session tokens, or other sensitive information. It may also enable manipulation of the web page content or actions performed on behalf of the user, impacting confidentiality, integrity, and availability at a low level. There are no known exploits in the wild at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution with untrusted input and consider temporary mitigations such as input validation or disabling affected features if feasible. Monitor the vendor's communications for updates on patches or official mitigations.