# CVE-2020-37003: Sellacious eCommerce 4.6 - Persistent Cross-Site Scripting

> Attackers can inject persistent scripts into address fields to hijack user sessions and manipulate application modules in Sellacious eCommerce.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/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:** 30 Jan 2026
- **Updated:** 14 May 2026
- **Also known as:** GHSA-286p-xvv8-3qx5

## What is CVE-2020-37003?

CVE-2020-37003 is a medium-severity cross-site scripting vulnerability in Sellacious eCommerce, published on 30 Jan 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

Sellacious eCommerce 4.6 contains a persistent cross-site scripting vulnerability in the Manage Your Addresses module that allows attackers to inject malicious scripts. Attackers can exploit multiple address input fields like full name, company, and address to execute persistent script code that can hijack user sessions and manipulate application modules.

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

## Which versions are affected by CVE-2020-37003?


## How do I fix CVE-2020-37003?

No fix has been published for CVE-2020-37003 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-37003 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37003 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-37003 and fix it if it is affected.

What it is: CVE-2020-37003 is a medium-severity cross-site scripting vulnerability in Sellacious eCommerce, published on 30 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37003 exists.

Affected product: Sellacious eCommerce. 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-2020-37003/ (Markdown: https://insights.sbomify.com/CVE-2020-37003/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-37003
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-37003
- OSV: https://osv.dev/vulnerability/CVE-2020-37003

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-37003/
Summaries are generated and may contain mistakes; the official description above is the record.