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

Medium 5.1 Published 15 Mar 2026 Updated 27 Oct 2026

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

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: None listed

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

Which versions are affected by CVE-2015-20116?

It affects 1 product.

Products include 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.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2015-20116 being exploited?

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

Sources

Also known as GHSA-w89r-c7m2-q2v5.