This vulnerability, identified as CWE-79, exists in the Subscribe to Comments plugin version 2.3.1 and earlier. It allows an attacker with high privileges and requiring user interaction to inject malicious scripts due to improper input sanitization during web page generation. The CVSS vector indicates network attack vector, low attack complexity, high privileges required, user interaction needed, and a scope change with low confidentiality, integrity, and availability impacts. The vulnerability is published and tracked under CVE-2026-66706 but lacks an official fix or patch as of the current data.

Successful exploitation could allow an attacker with high privileges to execute arbitrary scripts in the context of the affected application, potentially leading to partial confidentiality, integrity, and availability impacts. The attack requires user interaction and privileges, limiting the ease of exploitation. There are no reports of active exploitation in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting high privilege access and be cautious with user interactions involving the Subscribe to Comments plugin. Monitor vendor channels for updates.