# CVE-2021-24237: Realteo < 1.2.4 - Unauthenticated Reflected Cross-Site Scripting (XSS)

> Unauthenticated attackers can execute arbitrary scripts via reflected XSS in the Realteo WordPress plugin properties page.

- **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:** 22 Apr 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-fr4g-crj4-v8hc

## What is CVE-2021-24237?

CVE-2021-24237 is a medium-severity cross-site scripting vulnerability in PureThemes Findeo, published on 22 Apr 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 Realteo WordPress plugin before 1.2.4, used by the Findeo Theme, did not properly sanitise the keyword_search, search_radius. _bedrooms and _bathrooms GET parameters before outputting them in its properties page, leading to an unauthenticated reflected Cross-Site Scripting issue.

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

## Which versions are affected by CVE-2021-24237?

It affects 2 products.


Products: Purethemes Findeo, Purethemes Realteo.

## How do I fix CVE-2021-24237?

No fix has been published for CVE-2021-24237 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24237 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24237 exists.

Public exploit code:

- WordPress Realteo <=1.2.3 - Cross-Site Scripting (nuclei): http/cves/2021/CVE-2021-24237.yaml

## Other vulnerabilities in PureThemes Findeo

- [CVE-2021-24238](https://insights.sbomify.com/CVE-2021-24238/): Realteo < 1.2.4 - Arbitrary Property Deletion via IDOR (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24237 and fix it if it is affected.

What it is: CVE-2021-24237 is a medium-severity cross-site scripting vulnerability in PureThemes Findeo, published on 22 Apr 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: It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24237 exists.

Affected product: PureThemes Findeo. 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-2021-24237/ (Markdown: https://insights.sbomify.com/CVE-2021-24237/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24237
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24237
- OSV: https://osv.dev/vulnerability/CVE-2021-24237

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24237/
Summaries are generated and may contain mistakes; the official description above is the record.