# CVE-2022-2843: MotoPress Timetable and Event Schedule Quick Edit admin-ajax.php cross site scripting

> An attacker can execute arbitrary JavaScript in the context of other users via a cross-site scripting vulnerability in the Quick Edit feature.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 16 Aug 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-mcfr-r844-v779

## What is CVE-2022-2843?

CVE-2022-2843 is a low-severity cross-site scripting vulnerability in MotoPress Timetable and Event Schedule, published on 16 Aug 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A vulnerability was found in MotoPress Timetable and Event Schedule. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /wp-admin/admin-ajax.php of the component Quick Edit. The manipulation of the argument post_title with the input <img src=x onerror=alert`2`> leads to cross site scripting. The attack may be launched remotely. VDB-206486 is the identifier assigned to this vulnerability.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2022-2843?

It affects 1 product.


Products: Motopress Timetable and Event Schedule.

## How do I fix CVE-2022-2843?

No fix has been published for CVE-2022-2843 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-2843 being exploited?

There is no known exploitation of CVE-2022-2843 in the wild and no public exploit code.

## Other vulnerabilities in MotoPress Timetable and Event Schedule

- [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-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)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-2843 and fix it if it is affected.

What it is: CVE-2022-2843 is a low-severity cross-site scripting vulnerability in MotoPress Timetable and Event Schedule, published on 16 Aug 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-2843 in the wild and no public exploit code.

Affected product: MotoPress Timetable and Event Schedule. 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-2022-2843/ (Markdown: https://insights.sbomify.com/CVE-2022-2843/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-2843
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-2843
- OSV: https://osv.dev/vulnerability/CVE-2022-2843

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-2843/
Summaries are generated and may contain mistakes; the official description above is the record.