# CVE-2021-24583: Timetable and Event Schedule by MotoPress < 2.4.2 - Unauthorised Event TimeSlot Deletion

> Contributors can delete arbitrary event timeslots due to missing access controls and CSRF protection in the MotoPress Timetable plugin.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 20 Sep 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-6vr7-vxmx-w9qg

## What is CVE-2021-24583?

CVE-2021-24583 is a medium-severity missing authorization vulnerability in Unknown Timetable and Event Schedule by MotoPress, published on 20 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The Timetable and Event Schedule WordPress plugin before 2.4.2 does not have proper access control when deleting a timeslot, allowing any user with the edit_posts capability (contributor+) to delete arbitrary timeslot from any events. Furthermore, no CSRF check is in place as well, allowing such attack to be performed via CSRF against a logged in with such capability

Weakness: CWE-352 (Cross-Site Request Forgery), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2021-24583?

It affects 1 product.


Products: Motopress Timetable and Event Schedule.

## How do I fix CVE-2021-24583?

No fix has been published for CVE-2021-24583 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24583 being exploited?

There is no known exploitation of CVE-2021-24583 in the wild and no public exploit code.

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

- [CVE-2020-36840](https://insights.sbomify.com/CVE-2020-36840/): Timetable and Event Schedule by MotoPress <= 2.3.8 - Missing Authorization (high 7.3)
- [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-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-2021-24583 and fix it if it is affected.

What it is: CVE-2021-24583 is a medium-severity missing authorization vulnerability in Unknown Timetable and Event Schedule by MotoPress, published on 20 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-24583 in the wild and no public exploit code.

Affected product: Unknown 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-2021-24583/ (Markdown: https://insights.sbomify.com/CVE-2021-24583/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24583
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24583
- OSV: https://osv.dev/vulnerability/CVE-2021-24583

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24583/
Summaries are generated and may contain mistakes; the official description above is the record.