# CVE-2025-40587: Cross-site scripting in Polarion V2404

> An authenticated attacker can inject arbitrary JavaScript into document titles, leading to stored cross-site scripting attacks against other users.

- **Severity:** Medium 6.2 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:H/SI:L/SA: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:** 10 Feb 2026
- **Updated:** 10 Feb 2026
- **Also known as:** GHSA-8xhr-4hhh-87fr

## What is CVE-2025-40587?

CVE-2025-40587 is a medium-severity cross-site scripting vulnerability in Siemens Polarion V2404, published on 10 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A vulnerability has been identified in Polarion V2404 (All versions < V2404.5), Polarion V2410 (All versions < V2410.2). The affected application allows arbitrary JavaScript code be included in document titles. This could allow an authenticated remote attacker to conduct a stored cross-site scripting attack by creating specially crafted document titles that are later viewed by other users of the application.

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

## Which versions are affected by CVE-2025-40587?


## How do I fix CVE-2025-40587?

No fix has been published for CVE-2025-40587 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-40587 being exploited?

There is no known exploitation of CVE-2025-40587 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-40587 and fix it if it is affected.

What it is: CVE-2025-40587 is a medium-severity cross-site scripting vulnerability in Siemens Polarion V2404, published on 10 Feb 2026. 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-2025-40587 in the wild and no public exploit code.

Affected product: Siemens Polarion V2404. 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-2025-40587/ (Markdown: https://insights.sbomify.com/CVE-2025-40587/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-40587
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-40587
- OSV: https://osv.dev/vulnerability/CVE-2025-40587

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-40587/
Summaries are generated and may contain mistakes; the official description above is the record.