# CVE-2020-36840: Timetable and Event Schedule by MotoPress <= 2.3.8 - Missing Authorization

> Unauthenticated attackers can bypass authorization checks to execute arbitrary actions, including script injection, in the MotoPress Timetable plugin.

- **Severity:** High 7.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Oct 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-g4vp-6m74-35jg

## What is CVE-2020-36840?

CVE-2020-36840 is a high-severity missing authorization vulnerability in jetmonsters Timetable and Event Schedule by MotoPress, published on 16 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Timetable and Event Schedule by MotoPress plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the wp_ajax_route_url() function called via a nopriv AJAX action in versions up to, and including, 2.3.8. This makes it possible for unauthenticated attackers to call that function and perform a wide variety of actions such as including random template, injecting malicious web scripts, and more.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2020-36840?

It affects 1 product.


Products: Motopress Timetable and Event Schedule.

## How do I fix CVE-2020-36840?

No fix has been published for CVE-2020-36840 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36840 being exploited?

There is no known exploitation of CVE-2020-36840 in the wild and no public exploit code.

## Other vulnerabilities in jetmonsters Timetable and Event Schedule by MotoPress

- [CVE-2021-24585](https://insights.sbomify.com/CVE-2021-24585/): Timetable and Event Schedule by MotoPress < 2.4.0 - Arbitrary User's Hashed Password/Email/Username Disclosure (medium 6.5)
- [CVE-2021-24584](https://insights.sbomify.com/CVE-2021-24584/): Timetable and Event Schedule by MotoPress < 2.4.2 - Unauthorised Event TimeSlot Update (medium 5.4)
- [CVE-2021-24724](https://insights.sbomify.com/CVE-2021-24724/): Timetable and Event Schedule by MotoPress < 2.3.19 - Author+ Stored Cross-Site Scripting (medium 5.4)
- [CVE-2021-24583](https://insights.sbomify.com/CVE-2021-24583/): Timetable and Event Schedule by MotoPress < 2.4.2 - Unauthorised Event TimeSlot Deletion (medium 4.3)
- [CVE-2022-2843](https://insights.sbomify.com/CVE-2022-2843/): MotoPress Timetable and Event Schedule Quick Edit admin-ajax.php cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36840 and fix it if it is affected.

What it is: CVE-2020-36840 is a high-severity missing authorization vulnerability in jetmonsters Timetable and Event Schedule by MotoPress, published on 16 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-36840 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-2020-36840/ (Markdown: https://insights.sbomify.com/CVE-2020-36840/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36840
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36840
- OSV: https://osv.dev/vulnerability/CVE-2020-36840

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-36840/
Summaries are generated and may contain mistakes; the official description above is the record.