CVE-2026-110900: StellarWP BookIt broken access control in page access

CVE-2026-110900 · Severity: medium · CVSS 5.3 · Published 2026-10-16

BookIt is a WordPress booking plugin used to manage appointments and reservations. A broken access control vulnerability allows unauthenticated users to view pages and perform actions they should not have permission to access, potentially exposing sensitive booking data or allowing unauthorized modifications.

Technologies: StellarWP BookIt. Vendors: StellarWP.

Quick answers

Is CVE-2026-110900 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-110900 being exploited in the wild.
How severe is CVE-2026-110900?
Medium severity, with a CVSS score of 5.3, published 16 October 2026.
Which products and versions are affected?
StellarWP BookIt through 2.6.0.5.
Is there a fix for CVE-2026-110900?
Yes: fixed in BookIt 2.6.0.6. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-110900 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-110900?
Check whether you run StellarWP BookIt 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.

How to fix

  • Fixed in: BookIt 2.6.0.6

Technical details

The plugin fails to properly verify user permissions before granting access to certain pages and functionality (broken access control / CWE-284). An unauthenticated attacker can bypass authorization checks via network requests to access restricted features. The vulnerability affects BookIt versions up to 2.6.0.5 and is fixed in 2.6.0.6.

Affected products

  • StellarWP BookIt through 2.6.0.5

Timeline

  • 2026-10-07: disclosed: Reported to Patchstack by Alpaslan Fatih Sözer
  • 2026-10-16: advisory: Published by Patchstack
  • 2026-10-16: patched

References

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