# CVE-2018-15314: Cross-site scripting in BIG-IP AFM

> An attacker can execute arbitrary scripts in the context of the user's browser via a reflected XSS vulnerability in the TMUI interface.

- **Severity:** Medium 6.1 (`CVSS:3.0/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:** 19 Oct 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-wjw4-gjm5-37qv

## What is CVE-2018-15314?

CVE-2018-15314 is a medium-severity cross-site scripting vulnerability in F5 Big-Ip Advanced Firewall Manager, published on 19 Oct 2018. 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

On F5 BIG-IP AFM 13.0.0-13.1.1.1 and 12.1.0-12.1.3.6, there is a Reflected Cross Site Scripting vulnerability in undisclosed TMUI page.

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

## Which versions are affected by CVE-2018-15314?

It affects 1 product.


Products: F5 Big-Ip Advanced Firewall Manager.

## How do I fix CVE-2018-15314?

No fix has been published for CVE-2018-15314 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-15314 being exploited?

There is no known exploitation of CVE-2018-15314 in the wild and no public exploit code.

## Other vulnerabilities in F5 Big-Ip Advanced Firewall Manager

- [CVE-2021-23040](https://insights.sbomify.com/CVE-2021-23040/): SQL injection in BIG-IP AFM (high 8.8)
- [CVE-2025-59478](https://insights.sbomify.com/CVE-2025-59478/): BIG-IP AFM DoS protection profile vulnerability (high 8.7)
- [CVE-2025-24312](https://insights.sbomify.com/CVE-2025-24312/): BIG-IP AFM vulnerability (high 8.7)
- [CVE-2019-6636](https://insights.sbomify.com/CVE-2019-6636/): Cross-site scripting in BIG-IP (AFM, ASM) (high 8.4)
- [CVE-2024-21763](https://insights.sbomify.com/CVE-2024-21763/): BIG-IP AFM vulnerability (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-15314 and fix it if it is affected.

What it is: CVE-2018-15314 is a medium-severity cross-site scripting vulnerability in F5 Big-Ip Advanced Firewall Manager, published on 19 Oct 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2018-15314 in the wild and no public exploit code.

Affected product: F5 Big-Ip Advanced Firewall 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-2018-15314/ (Markdown: https://insights.sbomify.com/CVE-2018-15314/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-15314
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-15314
- OSV: https://osv.dev/vulnerability/CVE-2018-15314

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-15314/
Summaries are generated and may contain mistakes; the official description above is the record.