The vulnerability CVE-2025-23850 in mojowill's Mojo Under Construction plugin is a reflected cross-site scripting (XSS) issue caused by improper input neutralization during web page generation. It affects all versions up to 1.1.2. The CVSS 3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability at a low level. No patch or official remediation guidance is currently available.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to theft of user data, session hijacking, or other malicious actions. The impact is rated as high severity with limited confidentiality, integrity, and availability impacts. 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 available, users should consider disabling or restricting access to the vulnerable plugin to mitigate risk. Monitor for updates from the vendor or trusted security advisories.