# Tenable One Web App Scanning vs xssValidator: side-by-side comparison (2026)

[Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Tenable](https://cybersectools.com/companies/tenable). [xssValidator](https://cybersectools.com/tools/xssvalidator) is a free [dynamic application security testing](https://cybersectools.com/categories/dast) solution. Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning)

Best for: Teams already using Tenable for vulnerability scanning

It belongs here because it adds web app testing to the Tenable products many teams already use for vulnerability scanning, so web findings sit next to the rest. It fits teams of any size already on Tenable One or Security Center. Its listed integrations are all Tenable products, so if you want a scan on every release, ask how it connects to your CI/CD pipeline and ticketing.

From [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

Need the answer fast? [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions) picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more.

## Side-by-side comparison

| | Tenable One Web App Scanning | xssValidator |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Dynamic Application Security Testing | Dynamic Application Security Testing |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 416 |
| Last commit | – | Feb 2022 |
| Company | Tenable | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Tenable One Web App Scanning | xssValidator |
|---|---|---|
| CI/CD | Yes | – |
| DAST | Yes | – |
| OWASP | Yes | – |
| Web Security | Yes | – |
| XSS | – | Yes |
| Payload Generation | – | Yes |

### Core features

**Tenable One Web App Scanning**

10 features listed. Sign in on the page to see them.

**xssValidator**

No features listed.

### Integrations

**Tenable One Web App Scanning**

7 integrations listed. Sign in on the page to see them.

**xssValidator**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning) fits if you need both cloud and on-premises options.
- [xssValidator](https://cybersectools.com/tools/xssvalidator) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.

## Tenable One Web App Scanning vs xssValidator FAQ

Common questions when comparing Tenable One Web App Scanning vs xssValidator for dynamic application security testing.

### What is the difference between Tenable One Web App Scanning and xssValidator?

**Tenable One Web App Scanning**: DAST solution for web apps and APIs with automated scanning capabilities, built by Tenable.

**xssValidator**: A Burp Suite extension that automates XSS vulnerability detection and validation through custom payload generation and response analysis.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Tenable One Web App Scanning and xssValidator?

**Tenable One Web App Scanning** is made by Tenable. **xssValidator** is open-source with 416 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Tenable One Web App Scanning a good alternative to xssValidator?

Often, yes. Tenable One Web App Scanning and xssValidator are both Dynamic Application Security Testing products. Key differences: Tenable One Web App Scanning is Commercial while xssValidator is Free, xssValidator is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Tenable One Web App Scanning vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/tenable-web-app-scanning-vs-vulnsign-dynamic-application-security-testing)
- [Tenable One Web App Scanning vs ImmuniWeb® Neuron](https://cybersectools.com/compare/immuniwebr-neuron-vs-tenable-web-app-scanning)
- [Tenable One Web App Scanning vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-tenable-web-app-scanning)
- [xssValidator vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/vulnsign-dynamic-application-security-testing-vs-xssvalidator)
- [xssValidator vs ImmuniWeb® Neuron](https://cybersectools.com/compare/immuniwebr-neuron-vs-xssvalidator)
- [xssValidator vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-xssvalidator)

## Alternatives to each

- [See all Tenable One Web App Scanning alternatives](https://cybersectools.com/alternatives/tenable-web-app-scanning)
- [See all xssValidator alternatives](https://cybersectools.com/alternatives/xssvalidator)

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Source: https://cybersectools.com/compare/tenable-web-app-scanning-vs-xssvalidator

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/tenable-web-app-scanning.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Tenable One Web App Scanning and xssValidator: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md