WordPress 1 vulnerability

Is the HBook plugin safe?

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

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Known vulnerabilities

Wysoka · CVSS 7.2 CVE-2026-8143 May 27, 2026

HBook: cross-site scripting (XSS)

Cross-site scripting (XSS) w komponencie HBook. Ocena zagrożenia: Wysoka (CVSS 7.2). Zaktualizuj podatny komponent do najnowszej wersji lub tymczasowo go wyłącz.

Details and what to do → Source (NVD) ↗

How to check whether this affects you

  • Check the installed version of the HBook 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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