This vulnerability in alvego Protected wp-login (<= 2.1) involves improper neutralization of input during web page generation, resulting in a reflected Cross-site Scripting (XSS) flaw. An attacker can craft malicious input that is reflected in the web page without proper sanitization, potentially executing arbitrary scripts in the victim's browser. The CVSS 3.1 base score is 7.1, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability at low to low levels.

Successful exploitation can allow an attacker to execute arbitrary scripts in the context of the affected user's browser session, potentially leading to information disclosure, session hijacking, or other client-side impacts. The CVSS vector indicates partial impacts on confidentiality, integrity, and availability. There are no reports of active exploitation in the wild at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. In the absence of an official fix, users should monitor vendor channels for updates. Implementing web application firewall (WAF) rules to detect and block reflected XSS attempts may provide temporary mitigation.