CVE-2026-65514: codepeople Appointment Hour Booking XSS in WordPress plugin

CVE-2026-65514 · Severity: medium · CVSS 6.5 · Published 2026-07-23

The Appointment Hour Booking plugin for WordPress, which is used to manage schedules and appointments, contains a security vulnerability that allows users with contributor-level access to inject malicious scripts into the website. If an administrator or another site visitor views the affected content, these scripts could execute, potentially leading to unauthorized actions, website defacement, or the theft of sensitive session information. This issue can be resolved by updating the plugin to the latest version.

Vendors: CodePeople.

Quick answers

Is CVE-2026-65514 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-65514 being exploited in the wild.
How severe is CVE-2026-65514?
Medium severity, with a CVSS score of 6.5, published 23 July 2026.
Which products and versions are affected?
CodePeople Appointment Hour Booking <= 1.5.86.
Is there a fix for CVE-2026-65514?
A patch was published on 2026-07-23: Version 1.5.87 released to address the vulnerability Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-65514 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-65514?
Check whether you run CodePeople Appointment Hour Booking at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A Cross-Site Scripting (XSS) vulnerability exists in the Appointment Hour Booking plugin for WordPress (versions <= 1.5.86) due to improper neutralization of input during web page generation (CWE-79). An attacker with 'Contributor' or higher privileges can inject malicious JavaScript payloads into the application. The vulnerability requires a privileged user (such as an administrator) to interact with the affected page for the script to execute in their browser context. This could lead to session hijacking or unauthorized administrative actions. The issue is addressed in version 1.5.87.

Affected products

  • codepeople Appointment Hour Booking <= 1.5.86

Timeline

  • 2026-07-09: disclosed: Reported by Ananda Dhakal via Patchstack
  • 2026-07-23: advisory: NVD and Patchstack published advisory details
  • 2026-07-23: patched: Version 1.5.87 released to address the vulnerability

References

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