# CVE-2026-89008: Bookit < 2.6.0.5 - Bookit Staff+ Appointment PII Disclosure

> Low-privilege users can read other users' appointment records containing PII due to missing authorization checks in the Bookit WordPress plugin.

- **Severity:** Low 2.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Sep 2026
- **Updated:** 18 Sep 2026
- **Also known as:** GHSA-qcfp-hh5m-fp23

## What is CVE-2026-89008?

CVE-2026-89008 is a low-severity missing authorization vulnerability in Unknown Bookit — Booking & Appointment Calendar, published on 18 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The Bookit — Booking & Appointment Calendar WordPress plugin before 2.6.0.5 does not perform an authorization check on one of its appointment-retrieval actions, allowing users with a low-privilege Bookit — Booking & Appointment Calendar WordPress plugin before 2.6.0.5-specific role to read other users' appointment records, including customer names, email addresses, phone numbers and private booking comments.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2026-89008?


## How do I fix CVE-2026-89008?

No fix has been published for CVE-2026-89008 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-89008 being exploited?

There is no known exploitation of CVE-2026-89008 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-89008 and fix it if it is affected.

What it is: CVE-2026-89008 is a low-severity missing authorization vulnerability in Unknown Bookit — Booking & Appointment Calendar, published on 18 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-89008 in the wild and no public exploit code.

Affected product: Unknown Bookit — Booking & Appointment Calendar. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-89008/ (Markdown: https://insights.sbomify.com/CVE-2026-89008/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-89008
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-89008
- OSV: https://osv.dev/vulnerability/CVE-2026-89008

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-89008/
Summaries are generated and may contain mistakes; the official description above is the record.