The vulnerability CVE-2026-27358 in ThemeGoods Architecturer is a reflected Cross-site Scripting (XSS) issue caused by improper neutralization of input during web page generation. This allows attackers to inject and execute arbitrary scripts in users' browsers when they visit crafted URLs or pages. The affected versions include Architecturer versions prior to 3.9.5. The CVSS v3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability. No patch or vendor advisory is provided in the data, and the product is not a cloud service.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to information disclosure, session hijacking, or other client-side impacts. The CVSS score of 7.1 reflects high severity with impacts on confidentiality, integrity, and availability. However, no known exploits in the wild have been reported so far.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor ThemeGoods communications for updates. Until a fix is available, consider applying web application firewall (WAF) rules to detect and block reflected XSS attempts if feasible.