# CVE-2015-20116: RealtyScript 4.0.2 Stored Cross-Site Scripting via CSV File Upload Filename

> Attackers can execute arbitrary JavaScript in users' browsers by uploading CSV files with malicious filenames in RealtyScript.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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 Mar 2026
- **Updated:** 27 Oct 2026
- **Also known as:** GHSA-w89r-c7m2-q2v5

## What is CVE-2015-20116?

CVE-2015-20116 is a medium-severity cross-site scripting vulnerability in Next Click Ventures RealtyScript, published on 15 Mar 2026. 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

Next Click Ventures RealtyScript 4.0.2 fails to properly sanitize CSV file uploads, allowing attackers to inject malicious scripts through filename parameters in multipart form data. Attackers can upload files with XSS payloads in the filename field to execute arbitrary JavaScript in users' browsers when the file is processed or displayed.

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

## Which versions are affected by CVE-2015-20116?

It affects 1 product.


Products: Nextclickventures Realtyscript.

## How do I fix CVE-2015-20116?

No fix has been published for CVE-2015-20116 yet. Limit exposure of the affected software until one is available.

## Is CVE-2015-20116 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-20116 exists.

## Other vulnerabilities in Next Click Ventures RealtyScript

- [CVE-2015-20120](https://insights.sbomify.com/CVE-2015-20120/): RealtyScript 4.0.2 Multiple Time-based Blind SQL Injection (high 8.8)
- [CVE-2015-20121](https://insights.sbomify.com/CVE-2015-20121/): RealtyScript 4.0.2 SQL Injection via u_id and agent Parameters (high 8.8)
- [CVE-2015-20113](https://insights.sbomify.com/CVE-2015-20113/): RealtyScript 4.0.2 Multiple Cross-Site Request Forgery and Persistent Cross-Site Scripting Vulnerabilities (medium 6.9)
- [CVE-2015-20117](https://insights.sbomify.com/CVE-2015-20117/): RealtyScript 4.0.2 Cross-Site Request Forgery Unauthorized User Creation (medium 6.9)
- [CVE-2015-20114](https://insights.sbomify.com/CVE-2015-20114/): RealtyScript 4.0.2 Cross-Site Scripting via Multiple Parameters (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-20116 and fix it if it is affected.

What it is: CVE-2015-20116 is a medium-severity cross-site scripting vulnerability in Next Click Ventures RealtyScript, published on 15 Mar 2026. An attacker can exploit it over the internet without logging in, 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-2015-20116 exists.

Affected product: Next Click Ventures RealtyScript. 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-2015-20116/ (Markdown: https://insights.sbomify.com/CVE-2015-20116/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-20116
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-20116
- OSV: https://osv.dev/vulnerability/CVE-2015-20116

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From sbomify Insights: https://insights.sbomify.com/CVE-2015-20116/
Summaries are generated and may contain mistakes; the official description above is the record.