This vulnerability in Five Star Restaurant Reviews plugin allows an attacker with at least low privileges and requiring user interaction to inject malicious scripts that are stored and later executed in the context of the victim's browser. The issue is due to improper input sanitization during web page generation, classified under CWE-79 (Cross-site Scripting). It affects all versions up to 2.3.5. The CVSS 3.1 vector indicates network attack vector, low attack complexity, privileges required, user interaction required, and impacts confidentiality, integrity, and availability at a low level.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of affected users, potentially leading to information disclosure, session hijacking, or other impacts on confidentiality, integrity, and availability. The impact is rated medium based on the CVSS score of 6.5. 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 a fix is available, users should consider limiting privileges of users who can submit content and apply web application firewall (WAF) rules to detect and block XSS payloads. Monitor vendor channels for updates and apply official patches once released.