# CVE-2021-25110: Futurio Extra < 1.6.3 - Subscriber+ User Email Address Disclosure

> Logged-in users can extract other users' email addresses, exposing sensitive personal information.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Feb 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-7vff-h48x-c683

## What is CVE-2021-25110?

CVE-2021-25110 is a medium-severity vulnerability in Unknown Futurio Extra, published on 14 Feb 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Futurio Extra WordPress plugin before 1.6.3 allows any logged in user, such as subscriber, to extract any other user's email address.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2021-25110?

It affects 1 product.


Products: Futuriowp Futurio Extra.

## How do I fix CVE-2021-25110?

No fix has been published for CVE-2021-25110 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-25110 being exploited?

There is no known exploitation of CVE-2021-25110 in the wild and no public exploit code.

## Other vulnerabilities in Unknown Futurio Extra

- [CVE-2024-53802](https://insights.sbomify.com/CVE-2024-53802/): WordPress Futurio Extra plugin <= 2.0.14 - Cross Site Scripting (XSS) vulnerability (medium 6.5)
- [CVE-2024-50446](https://insights.sbomify.com/CVE-2024-50446/): WordPress Futurio Extra plugin <= 2.0.11 - Cross Site Scripting (XSS) vulnerability (medium 6.5)
- [CVE-2023-40201](https://insights.sbomify.com/CVE-2023-40201/): WordPress Futurio Extra Plugin <= 1.8.4 is vulnerable to Cross Site Request Forgery (CSRF) (medium 6.5)
- [CVE-2024-5646](https://insights.sbomify.com/CVE-2024-5646/): Futurio Extra <= 2.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Advanced Text Block Widget (medium 6.4)
- [CVE-2024-10695](https://insights.sbomify.com/CVE-2024-10695/): Futurio Extra <= 2.0.13 - Authenticated (Contributor+) Post Disclosure (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-25110 and fix it if it is affected.

What it is: CVE-2021-25110 is a medium-severity vulnerability in Unknown Futurio Extra, published on 14 Feb 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-25110 in the wild and no public exploit code.

Affected product: Unknown Futurio Extra. 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-2021-25110/ (Markdown: https://insights.sbomify.com/CVE-2021-25110/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-25110
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-25110
- OSV: https://osv.dev/vulnerability/CVE-2021-25110

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-25110/
Summaries are generated and may contain mistakes; the official description above is the record.