# CVE-2017-3948: Cross-site scripting in Data Loss Prevention Endpoint (DLPe)

> Authenticated users can inject arbitrary web script via IMG tags in the ePO extension, potentially compromising browsing sessions.

- **Severity:** Medium 5.4 (`CVSS:3.0/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:** 23 Jun 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-jhfg-pf4j-qc6v

## What is CVE-2017-3948?

CVE-2017-3948 is a medium-severity cross-site scripting vulnerability in McAfee Data Loss Prevention Endpoint (DLPe), published on 23 Jun 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

Cross Site Scripting (XSS) in IMG Tags in the ePO extension in McAfee Data Loss Prevention Endpoint (DLP Endpoint) 10.0.x allows authenticated users to inject arbitrary web script or HTML via injecting malicious JavaScript into a user's browsing session.

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

## Which versions are affected by CVE-2017-3948?

It affects 1 product.


Products: Mcafee Data Loss Prevention Endpoint.

## How do I fix CVE-2017-3948?

No fix has been published for CVE-2017-3948 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-3948 being exploited?

There is no known exploitation of CVE-2017-3948 in the wild and no public exploit code.

## Other vulnerabilities in McAfee Data Loss Prevention Endpoint (DLPe)

- [CVE-2021-31848](https://insights.sbomify.com/CVE-2021-31848/): Data Loss Prevention (DLP) ePO extension - Cross site scripting (XSS) (high 8.4)
- [CVE-2021-31849](https://insights.sbomify.com/CVE-2021-31849/): Data Loss Prevention (DLP) ePO extension - SQL injection (high 8.4)
- [CVE-2021-31844](https://insights.sbomify.com/CVE-2021-31844/): Local Privilege Escalation in McAfee DLP Endpoint for Windows (high 8.2)
- [CVE-2021-23887](https://insights.sbomify.com/CVE-2021-23887/): Privilege escalation in McAfee DLP Endpoint for Windows (high 7.8)
- [CVE-2016-8012](https://insights.sbomify.com/CVE-2016-8012/): Privilege escalation in Data Loss Prevention Endpoint (DLPe) (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-3948 and fix it if it is affected.

What it is: CVE-2017-3948 is a medium-severity cross-site scripting vulnerability in McAfee Data Loss Prevention Endpoint (DLPe), published on 23 Jun 2017. 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-2017-3948 in the wild and no public exploit code.

Affected product: McAfee Data Loss Prevention Endpoint (DLPe). 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-2017-3948/ (Markdown: https://insights.sbomify.com/CVE-2017-3948/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-3948
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-3948
- OSV: https://osv.dev/vulnerability/CVE-2017-3948

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-3948/
Summaries are generated and may contain mistakes; the official description above is the record.