# CVE-2009-0237: Cross-site scripting in n/a

> Remote attackers can inject arbitrary web script via authentication input in Microsoft Forefront TMG and ISA Server, potentially compromising user sessions.

- **Severity:** Medium 4.3 (`AV:N/AC:M/Au:N/C:N/I:P/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:** 15 Apr 2009
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-xxfx-h76g-4vhr

## What is CVE-2009-0237?

CVE-2009-0237 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Apr 2009. 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

Cross-site scripting (XSS) vulnerability in cookieauth.dll in the HTML forms authentication component in Microsoft Forefront Threat Management Gateway, Medium Business Edition (TMG MBE); and Internet Security and Acceleration (ISA) Server 2006, 2006 Supportability Update, and 2006 SP1; allows remote attackers to inject arbitrary web script or HTML via "authentication input" to this component, aka "Cross-Site Scripting Vulnerability."

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

## Which versions are affected by CVE-2009-0237?

It affects 2 products.


Products: Microsoft Forefront Threat Management Gateway, Microsoft Internet Security and Acceleration Server.

## How do I fix CVE-2009-0237?

No fix has been published for CVE-2009-0237 yet. Limit exposure of the affected software until one is available.

## Is CVE-2009-0237 being exploited?

There is no known exploitation of CVE-2009-0237 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2011-1889](https://insights.sbomify.com/CVE-2011-1889/): Microsoft Forefront TMG Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2009-0077](https://insights.sbomify.com/CVE-2009-0077/): Denial of service in n/a (medium 5.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2009-0237 and fix it if it is affected.

What it is: CVE-2009-0237 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Apr 2009. 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-2009-0237 in the wild and no public exploit code.

Affected product: n/a. 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-2009-0237/ (Markdown: https://insights.sbomify.com/CVE-2009-0237/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2009-0237
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2009-0237
- OSV: https://osv.dev/vulnerability/CVE-2009-0237

---
From sbomify Insights: https://insights.sbomify.com/CVE-2009-0237/
Summaries are generated and may contain mistakes; the official description above is the record.