This vulnerability (CVE-2026-94078) is an improper neutralization of input during web page generation (CWE-79) in Gemini Labs Site Reviews, affecting versions up to 8.3.1. It enables unauthenticated attackers to perform Cross-Site Scripting (XSS) attacks, potentially allowing execution of arbitrary scripts in the context of 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.

Successful exploitation of this vulnerability can allow attackers to execute arbitrary scripts in users' browsers, potentially leading to theft of sensitive information, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability of the affected system. The vulnerability is exploitable without authentication but requires user interaction.

No official patch or remediation information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider applying input validation and output encoding controls as temporary mitigations.