# CVE-2018-11450: Cross-site scripting in Siemens PLM Software TEAMCENTER

> Attackers can inject malicious scripts into the login portal via crafted URLs, potentially altering the page or stealing credentials in Siemens Teamcenter.

- **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:** 9 Jul 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-jhxw-q77v-mmhh

## What is CVE-2018-11450?

CVE-2018-11450 is a medium-severity cross-site scripting vulnerability in Siemens PLM Software TEAMCENTER, published on 9 Jul 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

A reflected Cross-Site-Scripting (XSS) vulnerability has been identified in Siemens PLM Software TEAMCENTER (V9.1.2.5). If a user visits the login portal through the URL crafted by the attacker, the attacker can insert html/javascript and thus alter/rewrite the login portal page. Siemens PLM Software TEAMCENTER V9.1.3 and newer are not affected.

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

## Which versions are affected by CVE-2018-11450?

It affects 1 product.


Products: Siemens Teamcenter Product Lifecycle Management.

## How do I fix CVE-2018-11450?

No fix has been published for CVE-2018-11450 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-11450 being exploited?

There is no known exploitation of CVE-2018-11450 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-11450 and fix it if it is affected.

What it is: CVE-2018-11450 is a medium-severity cross-site scripting vulnerability in Siemens PLM Software TEAMCENTER, published on 9 Jul 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-2018-11450 in the wild and no public exploit code.

Affected product: Siemens PLM Software TEAMCENTER. 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-2018-11450/ (Markdown: https://insights.sbomify.com/CVE-2018-11450/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-11450
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-11450
- OSV: https://osv.dev/vulnerability/CVE-2018-11450

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-11450/
Summaries are generated and may contain mistakes; the official description above is the record.