# GHSA-9pr3-7449-977r: Cross-Site Scripting in express-cart

> Attackers with admin access can inject JavaScript into product options, leading to arbitrary code execution in the admin interface.

- **Severity:** Not scored
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 2 Sep 2020

## What is GHSA-9pr3-7449-977r?

GHSA-9pr3-7449-977r is a cross-site scripting vulnerability in express-cart, published on 2 Sep 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

All versions of `harp` are vulnerable to Cross-Site Scripting. In the admin page it is possible to inject arbitrary JavaScript as a new product option, allowing attackers to execute arbitrary code. This is limited to the admin page and does not affect other pages.

## Recommendation

No fix is currently available. Consider using an alternative module until a fix is made available.

## Which versions are affected by GHSA-9pr3-7449-977r?

2 open source packages ship an affected version, including express-cart.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `express-cart` | npm | All versions | None |
| `express-cart` | npm | All versions | None |

## How do I fix GHSA-9pr3-7449-977r?

No fix has been published for GHSA-9pr3-7449-977r yet. Limit exposure of the affected software until one is available.

## Is GHSA-9pr3-7449-977r being exploited?

There is no known exploitation of GHSA-9pr3-7449-977r in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for GHSA-9pr3-7449-977r and fix it if it is affected.

What it is: GHSA-9pr3-7449-977r is a cross-site scripting vulnerability in express-cart, published on 2 Sep 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of GHSA-9pr3-7449-977r in the wild and no public exploit code.

Affected packages and fixed versions:
- express-cart (npm): affected all versions; no fix listed
- express-cart (npm): affected all versions; no fix listed

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/GHSA-9pr3-7449-977r/ (Markdown: https://insights.sbomify.com/GHSA-9pr3-7449-977r/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/GHSA-9pr3-7449-977r

---
From sbomify Insights: https://insights.sbomify.com/GHSA-9pr3-7449-977r/
Summaries are generated and may contain mistakes; the official description above is the record.