# CVE-2019-6591: Cross-site scripting in BIG-IP (APM)

> Authenticated users can trigger reflected XSS in BIG-IP APM when a full webtop is configured, potentially bypassing security controls.

- **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:** 5 Feb 2019
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-72j3-f222-xpgq

## What is CVE-2019-6591?

CVE-2019-6591 is a medium-severity cross-site scripting vulnerability in F5 Big-Ip Access Policy Manager, published on 5 Feb 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

On BIG-IP APM 14.0.0 to 14.0.0.4, 13.0.0 to 13.1.1.3 and 12.1.0 to 12.1.3.7, a reflected cross-site scripting (XSS) vulnerability exists in the resource information page for authenticated users when a full webtop is configured on the BIG-IP APM system.

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

## Which versions are affected by CVE-2019-6591?

It affects 1 product.


Products: F5 Big-Ip Access Policy Manager.

## How do I fix CVE-2019-6591?

No fix has been published for CVE-2019-6591 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-6591 being exploited?

There is no known exploitation of CVE-2019-6591 in the wild and no public exploit code.

## Other vulnerabilities in F5 Big-Ip Access Policy Manager

- [CVE-2023-46747](https://insights.sbomify.com/CVE-2023-46747/): F5 BIG-IP Configuration Utility Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2022-1388](https://insights.sbomify.com/CVE-2022-1388/): F5 BIG-IP Missing Authentication (critical 9.8, exploited in the wild)
- [CVE-2021-22986](https://insights.sbomify.com/CVE-2021-22986/): F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2021-22991](https://insights.sbomify.com/CVE-2021-22991/): F5 BIG-IP Traffic Management Microkernel Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2020-5902](https://insights.sbomify.com/CVE-2020-5902/): F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution (critical 9.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-6591 and fix it if it is affected.

What it is: CVE-2019-6591 is a medium-severity cross-site scripting vulnerability in F5 Big-Ip Access Policy Manager, published on 5 Feb 2019. 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-2019-6591 in the wild and no public exploit code.

Affected product: F5 Big-Ip Access Policy 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-2019-6591/ (Markdown: https://insights.sbomify.com/CVE-2019-6591/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-6591
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-6591
- OSV: https://osv.dev/vulnerability/CVE-2019-6591

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-6591/
Summaries are generated and may contain mistakes; the official description above is the record.