# Rexsser alternatives and competitors (2026)

The closest Rexsser alternatives are [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm), [VulnSign Dynamic Application Security Testing](https://cybersectools.com/tools/vulnsign-dynamic-application-security-testing) and [EnProbe Cybersecurity](https://cybersectools.com/tools/enprobe-cybersecurity). Picking a Rexsser alternative comes down to fit: Dynamic Application Security Testing coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.

Closest 48 alternatives shown. Closest matches: Fortra BeSTORM, VulnSign Dynamic Application Security Testing, EnProbe Cybersecurity.

## The product

[Rexsser](https://cybersectools.com/tools/rexsser)

A Burp Suite plugin that extracts keywords from HTTP responses using regex patterns and tests for reflected XSS vulnerabilities within the target scope.

Category: [Application Security](https://cybersectools.com/categories/application-security) · Pricing model: Free

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.

## Rexsser alternatives and competitors

Rexsser is a free [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) solution. The closest matches by shared tags and NIST CSF 2.0 coverage are [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm), [VulnSign Dynamic Application Security Testing](https://cybersectools.com/tools/vulnsign-dynamic-application-security-testing), [EnProbe Cybersecurity](https://cybersectools.com/tools/enprobe-cybersecurity), [AppCheck SPA Scanner](https://cybersectools.com/tools/appcheck-spa-scanner), and [Halo Security Application Scanning](https://cybersectools.com/tools/halo-security-application-scanning). All 48 alternatives on this page are ranked the same way.

Want a free option? See [free and open source application security solutions](https://cybersectools.com/free), plus free picks in other categories.

## The closest Rexsser alternatives

These 8 solutions overlap most with Rexsser. Each one says what the product does and, when the overlap is big enough, which capabilities it shares.

### 1. [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm) (Featured)

Black box fuzzer and DAST product for application security testing

[Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial

Key features: Black box fuzzing without source code access, Automated malformed input generation and injection, Protocol and API security testing, Vulnerability detection including buffer overflows and format string errors, Support for a wide range of protocols and application interfaces

[Fortra BeSTORM alternatives](https://cybersectools.com/alternatives/fortra-bestorm) · [Rexsser vs Fortra BeSTORM](https://cybersectools.com/compare/fortra-bestorm-vs-rexsser)

### 2. [VulnSign Dynamic Application Security Testing](https://cybersectools.com/tools/vulnsign-dynamic-application-security-testing)

DAST tool for scanning web apps, microservices, and APIs for vulnerabilities

[Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial

Key features: 10 listed. See them on the [VulnSign Dynamic Application Security Testing page](https://cybersectools.com/tools/vulnsign-dynamic-application-security-testing#features).

[VulnSign Dynamic Application Security Testing alternatives](https://cybersectools.com/alternatives/vulnsign-dynamic-application-security-testing) · [Rexsser vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/rexsser-vs-vulnsign-dynamic-application-security-testing)

### 3. [EnProbe Cybersecurity](https://cybersectools.com/tools/enprobe-cybersecurity)

Cloud-based vulnerability assessment tool for web application security

[Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial

Key features: 10 listed. See them on the [EnProbe Cybersecurity page](https://cybersectools.com/tools/enprobe-cybersecurity#features).

[EnProbe Cybersecurity alternatives](https://cybersectools.com/alternatives/enprobe-cybersecurity) · [Rexsser vs EnProbe Cybersecurity](https://cybersectools.com/compare/enprobe-cybersecurity-vs-rexsser)

### 4. [AppCheck SPA Scanner](https://cybersectools.com/tools/appcheck-spa-scanner)

DAST scanner for Single Page Applications using headless browser technology

[Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial

Key features: 10 listed. See them on the [AppCheck SPA Scanner page](https://cybersectools.com/tools/appcheck-spa-scanner#features).

[AppCheck SPA Scanner alternatives](https://cybersectools.com/alternatives/appcheck-spa-scanner) · [Rexsser vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-rexsser)

### 5. [Halo Security Application Scanning](https://cybersectools.com/tools/halo-security-application-scanning)

DAST tool for detecting web app vulnerabilities like SQL injection and XSS

[Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial

Key features: 10 listed. See them on the [Halo Security Application Scanning page](https://cybersectools.com/tools/halo-security-application-scanning#features).

[Halo Security Application Scanning alternatives](https://cybersectools.com/alternatives/halo-security-application-scanning) · [Rexsser vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-rexsser)

### 6. [SaltyCloud Dorkbot](https://cybersectools.com/tools/saltycloud-dorkbot)

Automated web vulnerability scanner for SQLi, XSS, and other web app flaws

[Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial

Key features: 10 listed. See them on the [SaltyCloud Dorkbot page](https://cybersectools.com/tools/saltycloud-dorkbot#features).

[SaltyCloud Dorkbot alternatives](https://cybersectools.com/alternatives/saltycloud-dorkbot) · [Rexsser vs SaltyCloud Dorkbot](https://cybersectools.com/compare/rexsser-vs-saltycloud-dorkbot)

### 7. [Websecurify](https://cybersectools.com/tools/websecurify)

Suite of web security tools, platforms, and open-source frameworks.

[Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial

Key features: 4 listed. See them on the [Websecurify page](https://cybersectools.com/tools/websecurify#features).

[Websecurify alternatives](https://cybersectools.com/alternatives/websecurify) · [Rexsser vs Websecurify](https://cybersectools.com/compare/rexsser-vs-websecurify)

### 8. [Intruder Web Application Scanning](https://cybersectools.com/tools/intruder-web-application-scanning)

DAST tool for scanning web apps and APIs for OWASP Top 10 vulnerabilities

[Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial

Key features: 10 listed. See them on the [Intruder Web Application Scanning page](https://cybersectools.com/tools/intruder-web-application-scanning#features).

[Intruder Web Application Scanning alternatives](https://cybersectools.com/alternatives/intruder-web-application-scanning) · [Rexsser vs Intruder Web Application Scanning](https://cybersectools.com/compare/intruder-web-application-scanning-vs-rexsser)

## The closest 48 products like Rexsser

The 8 above, plus:

- [Acunetix Web Application & API Security](https://cybersectools.com/tools/acunetix-web-application-and-api-security): DAST scanner for web apps & APIs with automated vuln detection & remediation (Commercial)
- [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning): DAST solution for web apps and APIs with automated scanning capabilities (Commercial)
- [Escape API Security Platform](https://cybersectools.com/tools/escape-api-security-platform): DAST platform for API and web app security testing with business logic focus (Commercial)
- [Secure Blink ThreatSpy](https://cybersectools.com/tools/secure-blink-threatspy): DAST platform for web app & API vulnerability scanning with AI-enabled features (Commercial)
- [Beagle Security AI Pentesting Platform](https://cybersectools.com/tools/beagle-security-ai-pentesting-platform): AI-powered automated penetration testing platform for web apps, APIs & GraphQL (Commercial)
- [Bright Security Bright STAR](https://cybersectools.com/tools/bright-security-bright-star): AI-powered AppSec platform for DAST, IAST, API security with auto-remediation (Commercial)
- [PortSwigger Burp Suite DAST](https://cybersectools.com/tools/burp-suite-enterprise-edition): An enterprise-scale dynamic application security testing (DAST) platform that provides automated vulnerability scanning and security assessment for web applications. (Commercial)
- [Rapid7 InsightAppSec](https://cybersectools.com/tools/rapid7-insightappsec): DAST product for automated web app and API vulnerability scanning and testing (Commercial)
- [ImmuniWeb® Neuron](https://cybersectools.com/tools/immuniwebr-neuron): AI-enhanced web app vulnerability scanner with zero false-positive SLA (Commercial)
- [Checkmarx One DAST](https://cybersectools.com/tools/checkmarx-one-dast): Enterprise DAST solution for runtime app and API security testing (Commercial)
- [ZeroThreat API Penetration Testing Tool](https://cybersectools.com/tools/zerothreat-api-penetration-testing-tool): API penetration testing tool for identifying business logic flaws (Commercial)
- [Escape DAST](https://cybersectools.com/tools/escape-dast): AI-powered DAST tool for business logic security testing of web apps and APIs (Commercial)
- [Escape GraphQL Security Testing](https://cybersectools.com/tools/escape-graphql-security-testing): GraphQL-native DAST tool for security testing GraphQL applications (Commercial)
- [Mend DAST](https://cybersectools.com/tools/mend-dast): Dynamic application security testing tool for runtime vulnerability detection (Commercial)
- [Indusface WAS - Website Vulnerability Scanner](https://cybersectools.com/tools/indusface-was-website-vulnerability-scanner): AI-powered DAST scanner for web app vulnerability detection with zero false positives (Commercial)
- [DerScanner Dynamic Application Security Testing (DAST)](https://cybersectools.com/tools/derscanner-dynamic-application-security-testing-dast): DAST tool that scans live web apps to detect vulnerabilities in real-time (Commercial)
- [Bright Sec Bright STAR](https://cybersectools.com/tools/bright-sec-bright-star): AI-powered AppSec platform for DAST, IAST, and API security testing (Commercial)
- [Bright Security Dynamic Application Security Testing](https://cybersectools.com/tools/bright-security-dynamic-application-security-testing): Enterprise DAST platform for web apps, APIs, business logic, and LLM security (Commercial)
- [Fluid Attacks Dynamic Application Security Testing (DAST)](https://cybersectools.com/tools/fluid-attacks-dynamic-application-security-testing-dast): DAST tool for continuous automated security testing of web and mobile apps (Commercial)
- [Wallarm API Security Testing](https://cybersectools.com/tools/wallarm-api-security-testing): Automated API security testing tool integrated into CI/CD pipelines (Commercial)
- [Invicti DAST](https://cybersectools.com/tools/invicti-dast): DAST scanner with proof-based vulnerability validation and CI/CD integration (Commercial)
- [AppCheck Web App Scanner](https://cybersectools.com/tools/appcheck-web-app-scanner): Web application vulnerability scanner with automated authentication support (Commercial)
- [AppCheck API Scanner](https://cybersectools.com/tools/appcheck-api-scanner): API vulnerability scanner with support for REST, SOAP, and GraphQL APIs (Commercial)
- [AppCheck DAST Tool](https://cybersectools.com/tools/appcheck-dast-tool): DAST tool for automated web app and API vulnerability scanning (Commercial)
- [Sec1 Kairo](https://cybersectools.com/tools/sec1-kairo): DAST scanner for web apps and APIs with OWASP Top 10 vulnerability detection (Commercial)
- [StackHawk AppSec Intelligence Platform](https://cybersectools.com/tools/stackhawk-appsec-intelligence-platform): DAST platform with API discovery, shift-left testing, and AppSec oversight (Commercial)
- [Mayhem Code Security](https://cybersectools.com/tools/mayhem-code-security): AI-driven automated security testing using fuzzing and symbolic execution (Commercial)
- [Cobalt DAST](https://cybersectools.com/tools/cobalt-dast): Automated DAST tool for continuous web app and API vulnerability scanning. (Commercial)
- [Astra Website Scanner](https://cybersectools.com/tools/astra-website-scanner): Dynamic web app & API vulnerability scanner with free and paid tiers. (Commercial)
- [Astra Security DAST Scanner](https://cybersectools.com/tools/astra-security-dast-scanner): DAST scanner for web apps & APIs with CI/CD integration & 15k+ test cases. (Commercial)
- [Guardian360 Lighthouse](https://cybersectools.com/tools/guardian360-lighthouse): Web app security platform for vulnerability scanning & secure dev. (Commercial)
- [NightVision Platform](https://cybersectools.com/tools/nightvision-platform): DAST platform for scanning web apps & APIs within CI/CD pipelines. (Commercial)
- [Probely (Snyk API & Web)](https://cybersectools.com/tools/probely-snyk-api-and-web): DAST scanner for discovering and testing APIs and web apps for vulns. (Commercial)
- [SOOS DAST](https://cybersectools.com/tools/soos-dast): CI/CD-integrated DAST tool for automated web app and API vuln scanning. (Commercial)
- [DefendLab Runtime Validation](https://cybersectools.com/tools/defendlab-runtime-validation): Source-aware AI pentest platform combining code analysis with runtime exploit validation. (Commercial)
- [StackHawk](https://cybersectools.com/tools/stackhawk-stackhawk): AppSec platform with API discovery, CI/CD-native DAST, and risk oversight (Commercial)
- [Qualys TotalAppSec](https://cybersectools.com/tools/qualys-totalappsec): Cloud-based DAST solution for web app & API security with AI-powered scanning (Commercial)
- [Greenbone Web App Scanning](https://cybersectools.com/tools/greenbone-web-app-scanning): Managed web app security scanning service covering OWASP Top 10 vulnerabilities (Commercial)
- [Aikido DAST Scanner](https://cybersectools.com/tools/aikido-dast-scanner): DAST scanner that identifies web app vulnerabilities and attack surfaces (Commercial)
- [ZeroThreat Intelligent Vulnerability Scanner](https://cybersectools.com/tools/zerothreat-intelligent-vulnerability-scanner): AI-powered vulnerability scanner for web apps and APIs (Commercial)

## Alternatives to each of these

[Fortra BeSTORM alternatives](https://cybersectools.com/alternatives/fortra-bestorm) · [VulnSign Dynamic Application Security Testing alternatives](https://cybersectools.com/alternatives/vulnsign-dynamic-application-security-testing) · [EnProbe Cybersecurity alternatives](https://cybersectools.com/alternatives/enprobe-cybersecurity) · [AppCheck SPA Scanner alternatives](https://cybersectools.com/alternatives/appcheck-spa-scanner) · [Halo Security Application Scanning alternatives](https://cybersectools.com/alternatives/halo-security-application-scanning) · [SaltyCloud Dorkbot alternatives](https://cybersectools.com/alternatives/saltycloud-dorkbot) · [Websecurify alternatives](https://cybersectools.com/alternatives/websecurify) · [Intruder Web Application Scanning alternatives](https://cybersectools.com/alternatives/intruder-web-application-scanning) · [Acunetix Web Application & API Security alternatives](https://cybersectools.com/alternatives/acunetix-web-application-and-api-security) · [Tenable One Web App Scanning alternatives](https://cybersectools.com/alternatives/tenable-web-app-scanning) · [Escape API Security Platform alternatives](https://cybersectools.com/alternatives/escape-api-security-platform) · [Secure Blink ThreatSpy alternatives](https://cybersectools.com/alternatives/secure-blink-threatspy)

## Compare Rexsser with

- [Rexsser vs Fortra BeSTORM](https://cybersectools.com/compare/fortra-bestorm-vs-rexsser)
- [Rexsser vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/rexsser-vs-vulnsign-dynamic-application-security-testing)
- [Rexsser vs EnProbe Cybersecurity](https://cybersectools.com/compare/enprobe-cybersecurity-vs-rexsser)
- [Rexsser vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-rexsser)
- [Rexsser vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-rexsser)
- [Rexsser vs SaltyCloud Dorkbot](https://cybersectools.com/compare/rexsser-vs-saltycloud-dorkbot)
- [Rexsser vs Websecurify](https://cybersectools.com/compare/rexsser-vs-websecurify)
- [Rexsser vs Intruder Web Application Scanning](https://cybersectools.com/compare/intruder-web-application-scanning-vs-rexsser)

## Rexsser Alternatives FAQ

### What are the closest alternatives to Rexsser?

The closest matches to Rexsser by shared tags and NIST CSF 2.0 coverage are Fortra BeSTORM, VulnSign Dynamic Application Security Testing, EnProbe Cybersecurity, AppCheck SPA Scanner, and Halo Security Application Scanning. All of them are Dynamic Application Security Testing products.

### How many alternatives to Rexsser are available?

This page shows 48 alternatives to Rexsser, all in the Dynamic Application Security Testing category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.

### Is Rexsser free or commercial?

Rexsser is a free Dynamic Application Security Testing product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free.

### What type of solution is Rexsser?

Rexsser is a Dynamic Application Security Testing product in the Application Security category. You can compare it with the 48 other Dynamic Application Security Testing products on this page.

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Source: https://cybersectools.com/alternatives/rexsser

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL).

More on Rexsser and its alternatives: 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=alternatives-md