This vulnerability in Somonator Terms Dictionary (<= 1.5.1) is a reflected XSS caused by improper input neutralization during web page generation. An attacker can craft malicious input that is reflected in the web page without proper sanitization, enabling script execution 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, and impacts on confidentiality, integrity, and availability at a low level.

Successful exploitation allows an attacker to execute arbitrary scripts in the context of the victim's browser session, potentially leading to theft of sensitive information, session hijacking, or manipulation of web content. The impact is rated as low on confidentiality, integrity, and availability but combined results in a high severity rating.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, users should apply standard XSS mitigations such as input validation and output encoding where possible. Monitor vendor channels for updates and apply official fixes once released.