WordPress 1 vulnerability

Is the VikAppointments Services Booking Calendar plugin safe?

Below are the known, publicly disclosed vulnerabilities of the VikAppointments Services Booking Calendar (WordPress) component. If you use it on your site, check the version and update it before the flaw gets exploited.

Using the VikAppointments Services Booking Calendar plugin? Check for free whether your site is vulnerable through it, or have us update and secure it.

Known vulnerabilities

Krytyczna · CVSS 9.1 CVE-2026-87115 October 3, 2026

VikAppointments Services Booking Calendar: zdalne wykonanie kodu (RCE)

Zdalne wykonanie kodu (RCE) w komponencie VikAppointments Services Booking Calendar. Ocena zagrożenia: Krytyczna (CVSS 9.1). Zaktualizuj podatny komponent do najnowszej wersji lub tymczasowo go wyłącz.

How to check whether this affects you

  • Check the installed version of the VikAppointments Services Booking Calendar component in the admin panel.
  • Compare it with the fixed version noted in the details of the relevant vulnerability above.
  • If your version is older, update the component to the latest available.
  • If a fix has not been released yet, temporarily disable the vulnerable element and watch your logs.
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