# CVE-2018-10139: Cross-site scripting in PAN-OS

> Unauthenticated attackers can inject arbitrary JavaScript or HTML into the GlobalProtect Gateway response, potentially compromising user sessions.

- **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:** 16 Aug 2018
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-rpcp-2754-8hx9

## What is CVE-2018-10139?

CVE-2018-10139 is a medium-severity cross-site scripting vulnerability in Paloaltonetworks Pan-Os, published on 16 Aug 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

The PAN-OS response for GlobalProtect Gateway in Palo Alto Networks PAN-OS 6.1.21 and earlier, PAN-OS 7.1.18 and earlier, PAN-OS 8.0.11 and earlier may allow an unauthenticated attacker to inject arbitrary JavaScript or HTML. PAN-OS 8.1 is NOT affected.

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

## Which versions are affected by CVE-2018-10139?

It affects 1 product.


Products: Paloaltonetworks Pan-Os.

## How do I fix CVE-2018-10139?

No fix has been published for CVE-2018-10139 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-10139 being exploited?

There is no known exploitation of CVE-2018-10139 in the wild and no public exploit code.

## Other vulnerabilities in Paloaltonetworks Pan-Os

- [CVE-2024-3400](https://insights.sbomify.com/CVE-2024-3400/): Palo Alto Networks PAN-OS Command Injection (critical 10.0, exploited in the wild)
- [CVE-2020-2021](https://insights.sbomify.com/CVE-2020-2021/): Palo Alto Networks PAN-OS Authentication Bypass (critical 10.0, exploited in the wild)
- [CVE-2017-15944](https://insights.sbomify.com/CVE-2017-15944/): Palo Alto Networks PAN-OS Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2026-0300](https://insights.sbomify.com/CVE-2026-0300/): Palo Alto Networks PAN-OS Out-of-bounds Write (critical 9.3, exploited in the wild)
- [CVE-2024-0012](https://insights.sbomify.com/CVE-2024-0012/): Palo Alto Networks PAN-OS Management Interface Authentication Bypass (critical 9.3, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-10139 and fix it if it is affected.

What it is: CVE-2018-10139 is a medium-severity cross-site scripting vulnerability in Paloaltonetworks Pan-Os, published on 16 Aug 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-2018-10139 in the wild and no public exploit code.

Affected product: Paloaltonetworks Pan-Os. 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-2018-10139/ (Markdown: https://insights.sbomify.com/CVE-2018-10139/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-10139
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-10139
- OSV: https://osv.dev/vulnerability/CVE-2018-10139

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-10139/
Summaries are generated and may contain mistakes; the official description above is the record.