# CVE-2018-18964: Cross-site scripting in n/a

> osCommerce allows Cross-Site Scripting via SVG files due to incomplete .htaccess filtering, enabling attackers to execute malicious scripts.

- **Severity:** Medium 4.9 (`CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Nov 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-3fqj-hqqx-wwf2

## What is CVE-2018-18964?

CVE-2018-18964 is a medium-severity cross-site scripting vulnerability in n/a, published on 6 Nov 2018. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

osCommerce 2.3.4.1 has an incomplete '.htaccess' for blacklist filtering in the "product" page. The .htaccess file in catalog/images/ bans the html extension, but there are several extensions in which contained HTML can be executed, such as the svg extension.

## Which versions are affected by CVE-2018-18964?

It affects 1 product.


Products: Oscommerce Online Merchant.

## How do I fix CVE-2018-18964?

No fix has been published for CVE-2018-18964 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-18964 being exploited?

There is no known exploitation of CVE-2018-18964 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2014-10033](https://insights.sbomify.com/CVE-2014-10033/): SQL injection in n/a (medium 6.5)
- [CVE-2012-2991](https://insights.sbomify.com/CVE-2012-2991/): Business logic in n/a (medium 5.0)
- [CVE-2018-18965](https://insights.sbomify.com/CVE-2018-18965/): File upload in n/a (medium 4.9)
- [CVE-2018-18966](https://insights.sbomify.com/CVE-2018-18966/): Cross-site scripting in n/a (medium 4.9)
- [CVE-2012-2935](https://insights.sbomify.com/CVE-2012-2935/): Cross-site scripting in n/a (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-18964 and fix it if it is affected.

What it is: CVE-2018-18964 is a medium-severity cross-site scripting vulnerability in n/a, published on 6 Nov 2018. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-18964 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-2018-18964/ (Markdown: https://insights.sbomify.com/CVE-2018-18964/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-18964
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-18964
- OSV: https://osv.dev/vulnerability/CVE-2018-18964

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-18964/
Summaries are generated and may contain mistakes; the official description above is the record.