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Hbook vulnerabilities

2 tracked advisories · slug hbook

Important: Hbook appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

2

Latest advisory

29 July 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

hbook

Plugin

What this means for Hbook

This catalog lists 2 known advisories affecting Hbook. The most recent was published on 29 July 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • HBook <= 2.1.9 - Unauthenticated Stored Cross-Site Scripting via Multiple Parameters

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 29 July 2026

  • Booking Calendar – Event Calendar <= 1.0.2 - Missing Authorization

    This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.

    Published 17 October 2022

Vulnerability types

  • Cross-site scripting1

Authentication (inferred from titles)

  • Unauthenticated1
  • Authenticated0
  • Unspecified1

Advisory history

Known Hbook advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Hbook version against this catalog when the Defence plugin is connected to your WordPress site.

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