# CVE-2020-28210: Cross-site scripting in EcoStruxure Building Operation WebStation V2.0 - V3.1

> Attackers can inject malicious HTML and JavaScript into the EcoStruxure Building Operation WebStation interface, potentially compromising user sessions.

- **Severity:** Medium 6.1 (`CVSS:3.1/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 Nov 2020
- **Updated:** 28 May 2026
- **Also known as:** GHSA-qqr2-jjq7-8fwx

## What is CVE-2020-28210?

CVE-2020-28210 is a medium-severity cross-site scripting vulnerability in EcoStruxure Building Operation WebStation V2.0 - V3.1, published on 19 Nov 2020. 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 CWE-79 Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) vulnerability exists in EcoStruxure Building Operation WebStation V2.0 - V3.1 that could cause an attacker to inject HTML and JavaScript code into the user's browser.

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

## Which versions are affected by CVE-2020-28210?

It affects 1 product.


Products: Schneider-Electric Ecostruxure Building Operation.

## How do I fix CVE-2020-28210?

No fix has been published for CVE-2020-28210 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-28210 being exploited?

There is no known exploitation of CVE-2020-28210 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-28210 and fix it if it is affected.

What it is: CVE-2020-28210 is a medium-severity cross-site scripting vulnerability in EcoStruxure Building Operation WebStation V2.0 - V3.1, published on 19 Nov 2020. 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-2020-28210 in the wild and no public exploit code.

Affected product: EcoStruxure Building Operation WebStation V2.0 - V3.1. 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-2020-28210/ (Markdown: https://insights.sbomify.com/CVE-2020-28210/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-28210
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-28210
- OSV: https://osv.dev/vulnerability/CVE-2020-28210

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-28210/
Summaries are generated and may contain mistakes; the official description above is the record.