# CVE-2026-9228: Information disclosure in Timetable and Event Schedule by MotoPress

> Authenticated contributors can read sensitive draft and private event data from other users via insecure direct object reference.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 28 May 2026
- **Updated:** 28 May 2026
- **Also known as:** GHSA-gcrv-h884-8q69

## What is CVE-2026-9228?

CVE-2026-9228 is a medium-severity vulnerability in jetmonsters Timetable and Event Schedule by MotoPress, published on 28 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Timetable and Event Schedule by MotoPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.4.16 via the action_get_event_data due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to enumerate timeslot IDs and read the full WP_Post object — including post_content, post_excerpt, post_status, and post_author — of draft, pending, and private mp-event posts belonging to other users, along with their associated raw timeslot descriptions.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2026-9228?


## How do I fix CVE-2026-9228?

No fix has been published for CVE-2026-9228 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-9228 being exploited?

There is no known exploitation of CVE-2026-9228 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-9228 and fix it if it is affected.

What it is: CVE-2026-9228 is a medium-severity vulnerability in jetmonsters Timetable and Event Schedule by MotoPress, published on 28 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-9228 in the wild and no public exploit code.

Affected product: jetmonsters Timetable and Event Schedule by MotoPress. 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-2026-9228/ (Markdown: https://insights.sbomify.com/CVE-2026-9228/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-9228
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-9228
- OSV: https://osv.dev/vulnerability/CVE-2026-9228

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-9228/
Summaries are generated and may contain mistakes; the official description above is the record.