# CVE-2023-27918: Cross-site scripting in Appointment and Event Booking Calendar for WordPress - Amelia

> Remote unauthenticated attackers can inject arbitrary scripts via malicious URLs, potentially leading to code execution or account takeover in WordPress installations using the Amelia plugin.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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:** 10 May 2023
- **Updated:** 27 Jan 2025
- **Also known as:** GHSA-j4pf-2mmw-4h4r

## What is CVE-2023-27918?

CVE-2023-27918 is a medium-severity cross-site scripting vulnerability in TMS Appointment and Event Booking Calendar for WordPress - Amelia, published on 10 May 2023. 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

Cross-site scripting vulnerability in Appointment and Event Booking Calendar for WordPress - Amelia versions prior to 1.0.76 allows a remote unauthenticated attacker to inject an arbitrary script by having a user who is logging in the WordPress where the product is installed visit a malicious URL.

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

## Which versions are affected by CVE-2023-27918?

It affects 1 product.


Products: Tms-Outsource Amelia.

## How do I fix CVE-2023-27918?

No fix has been published for CVE-2023-27918 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-27918 being exploited?

There is no known exploitation of CVE-2023-27918 in the wild and no public exploit code.

## Other vulnerabilities in TMS Appointment and Event Booking Calendar for WordPress - Amelia

- [CVE-2022-0687](https://insights.sbomify.com/CVE-2022-0687/): Amelia < 1.0.46 - Manager+ RCE (high 8.8)
- [CVE-2023-29427](https://insights.sbomify.com/CVE-2023-29427/): WordPress Amelia Plugin <= 1.0.75 is vulnerable to Cross Site Scripting (XSS) (high 7.1)
- [CVE-2023-50860](https://insights.sbomify.com/CVE-2023-50860/): WordPress Amelia Plugin <= 1.0.85 is vulnerable to Cross Site Scripting (XSS) (medium 6.5)
- [CVE-2023-6808](https://insights.sbomify.com/CVE-2023-6808/): Cross-site scripting in Booking for Appointments and Events Calendar – Amelia (medium 6.4)
- [CVE-2022-0627](https://insights.sbomify.com/CVE-2022-0627/): Amelia < 1.0.46 - Reflected Cross-Site Scripting (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-27918 and fix it if it is affected.

What it is: CVE-2023-27918 is a medium-severity cross-site scripting vulnerability in TMS Appointment and Event Booking Calendar for WordPress - Amelia, published on 10 May 2023. 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-2023-27918 in the wild and no public exploit code.

Affected product: TMS Appointment and Event Booking Calendar for WordPress - Amelia. 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-2023-27918/ (Markdown: https://insights.sbomify.com/CVE-2023-27918/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-27918
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-27918
- OSV: https://osv.dev/vulnerability/CVE-2023-27918

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-27918/
Summaries are generated and may contain mistakes; the official description above is the record.