The vulnerability CVE-2025-22719 affects the VikAppointments Services Booking Calendar plugin by e4jvikwp, specifically versions up to 1.2.16. It is a Stored Cross-site Scripting (XSS) flaw caused by improper input neutralization during web page generation. This allows attackers to inject malicious scripts that persist on the site and execute in the context of other users' browsers. The CVSS v3.1 base score is 7.1, indicating high severity, with network attack vector, low attack complexity, no privileges required, and requiring user interaction. The impact includes partial compromise of confidentiality, integrity, and availability. There is no vendor advisory or patch link provided, and the product is not a cloud service.

Successful exploitation of this vulnerability can allow an attacker to execute arbitrary scripts in the context of users visiting the affected web pages. This can lead to theft of sensitive information, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability to a limited extent. The CVSS score of 7.1 reflects these impacts. No known exploits in the wild have been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor for updates from the vendor e4jvikwp regarding VikAppointments Services Booking Calendar. Until a fix is available, consider applying input validation or sanitization at the application or web server level to mitigate stored XSS risks. Avoid clicking on suspicious links or interacting with untrusted content within the affected application.