# CVE-2021-24534: PhoneTrack Meu Site Manager <= 0.1 - Authenticated Stored XSS

> Authenticated attackers can inject malicious scripts via the php_id setting in the PhoneTrack Meu Site Manager WordPress plugin, leading to stored XSS.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-2cr7-5qfv-vrmw

## What is CVE-2021-24534?

CVE-2021-24534 is a medium-severity cross-site scripting vulnerability in Unknown PhoneTrack Meu Site Manager, published on 16 Aug 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

The PhoneTrack Meu Site Manager WordPress plugin through 0.1 does not sanitise or escape its "php_id" setting before outputting it back in an attribute in the page, leading to a stored Cross-Site Scripting issue.

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

## Which versions are affected by CVE-2021-24534?

It affects 1 product.


Products: Phonetrack Phonetrack Meu Site Manager.

## How do I fix CVE-2021-24534?

No fix has been published for CVE-2021-24534 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24534 being exploited?

There is no known exploitation of CVE-2021-24534 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24534 and fix it if it is affected.

What it is: CVE-2021-24534 is a medium-severity cross-site scripting vulnerability in Unknown PhoneTrack Meu Site Manager, published on 16 Aug 2021. 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-2021-24534 in the wild and no public exploit code.

Affected product: Unknown PhoneTrack Meu Site Manager. 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-2021-24534/ (Markdown: https://insights.sbomify.com/CVE-2021-24534/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24534
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24534
- OSV: https://osv.dev/vulnerability/CVE-2021-24534

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24534/
Summaries are generated and may contain mistakes; the official description above is the record.