This vulnerability (CVE-2026-40791) is an unauthenticated cross-site scripting (XSS) flaw in the WP Time Slots Booking Form plugin for WordPress, affecting versions up to 1.2.46. The root cause is improper neutralization of input during web page generation (CWE-79). The CVSS 3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, and user interaction required. The vulnerability impacts confidentiality, integrity, and availability to a limited extent. No vendor advisory or patch information is available at this time.

Successful exploitation can allow an unauthenticated attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to partial disclosure of sensitive information, modification of web content, and disruption of service. The CVSS vector indicates partial impact on confidentiality, integrity, and availability.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider applying temporary mitigations such as input validation or disabling the affected plugin if feasible.