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Is memberstack.io a Scam? Security Check Results - Memberstack

memberstack.io Security Report Summary

memberstack.io received a security score of 68 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Memberstack's website security posture. Memberstack operates in the Technology industry in N/a.

Memberstack is a technology company specializing in providing membership and user account management solutions integrated with Webflow. Their platform enables businesses and developers to add user authentication, subscription billing, gated content, and social login capabilities without complex backend development. The company serves a broad audience including Webflow users, agencies, SaaS builders, and enterprises, positioning itself as a scalable solution trusted by over 50,000 teams and notable clients such as Amazon and Salesforce. Technically, Memberstack leverages modern web technologies including Webflow CMS, Stripe for payments, and various analytics and marketing tools, ensuring a fast, mobile-optimized, and accessible user experience. Security posture is strong with HTTPS enforced and secure payment processing, though explicit security headers and dedicated security policies are not publicly documented. Privacy compliance is addressed with comprehensive policies and cookie consent mechanisms. Overall, Memberstack presents a professional, trustworthy, and mature web presence with extensive customer testimonials and integrations. The absence of WHOIS data is a minor concern but does not detract significantly from the business credibility. Strategic recommendations include enhancing security header implementation, publishing incident response information, and improving public contact transparency.

The security scan identified 29 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: Webflow CMS, Stripe payment processing, Google Tag Manager, Facebook Pixel, PostHog analytics, jQuery, Weglot (translation), Optibase, Bing Ads, Heroicons SVG, Iconify SVG icons.

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

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Is memberstack.io Safe? Security Analysis for Memberstack

https://memberstack.io

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TechnologyN/amedium
Webflow CMSStripe payment processingGoogle Tag ManagerFacebook PixelPostHog analytics+6 more
Analyzed 10/8/2025Completed 10:53:25 PM6mo ago
68
Security Score
MEDIUM RISK

Below Technology avg (72)

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Domains scanned

500+

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SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

AI Summary

Memberstack is a technology company specializing in providing membership and user account management solutions integrated with Webflow. Their platform enables businesses and developers to add user authentication, subscription billing, gated content, and social login capabilities without complex backend development. The company serves a broad audience including Webflow users, agencies, SaaS builders, and enterprises, positioning itself as a scalable solution trusted by over 50,000 teams and notable clients such as Amazon and Salesforce. Technically, Memberstack leverages modern web technologies including Webflow CMS, Stripe for payments, and various analytics and marketing tools, ensuring a fast, mobile-optimized, and accessible user experience. Security posture is strong with HTTPS enforced and secure payment processing, though explicit security headers and dedicated security policies are not publicly documented. Privacy compliance is addressed with comprehensive policies and cookie consent mechanisms. Overall, Memberstack presents a professional, trustworthy, and mature web presence with extensive customer testimonials and integrations. The absence of WHOIS data is a minor concern but does not detract significantly from the business credibility. Strategic recommendations include enhancing security header implementation, publishing incident response information, and improving public contact transparency.

Detected Technologies

Webflow CMSStripe payment processingGoogle Tag ManagerFacebook PixelPostHog analyticsjQueryWeglot (translation)OptibaseBing AdsHeroicons SVGIconify SVG icons

7 urgent findings need attention

7 high

Continuous monitoring

Keep memberstack.io under constant watch

Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.

Security drift alerts

Risk score drops, new high-severity issues, and header hardening gaps

Compliance watch

GDPR / NIS2 posture changes with governance evidence snapshots

Infrastructure surface

Unexpected open services, SSL expiry, DNS & email authentication changes

Content & tracker intelligence

Marketing tech shifts, analytics drift, and AI recommendation updates

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Security Headers

7 findings

30/100

GDPR Compliance

2 findings

80/100

NIS2 Compliance

5 findings

55/100

Email Security

6 findings

55/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

Memberstack operates in the technology sector as a SaaS provider focused on membership management for Webflow-powered websites. Their business model revolves around subscription-based pricing that scales with usage, targeting developers, agencies, and businesses needing flexible membership solutions. The company has established a strong market position with a large user base and partnerships with Stripe and Webflow. Revenue streams likely include subscription fees and possibly premium features or developer tools. The company fosters a community through Slack and maintains active presence on Product Hunt and G2, indicating strong customer engagement and growth potential. Their ecosystem includes integrations with major social platforms and payment processors, enhancing their competitive advantage. The business demonstrates a clear focus on scalability and developer friendliness, positioning itself well for continued expansion in the no-code and SaaS markets.

Security Posture Analysis

Comprehensive Security Assessment

Memberstack exhibits a mature security posture with mandatory HTTPS usage and integration with trusted payment processors like Stripe. The website does not expose sensitive data and employs secure social authentication methods. However, explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options are not visibly declared, representing an area for improvement. No dedicated security or incident response policies are published, and no direct security contact emails are provided, which could hinder rapid incident handling. The use of multiple third-party analytics and marketing scripts necessitates ongoing vigilance to prevent vulnerabilities. Overall, the security maturity is good but could be enhanced by formalizing security policies, improving header configurations, and increasing transparency around incident response.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement and explicitly configure security headers including CSP, X-Frame-Options, and X-Content-Type-Options to strengthen browser security.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Memberstack

Description:

Memberstack provides membership and user account management solutions integrated with Webflow, enabling user accounts, subscriptions, gated content, and payments without complex tech stack changes.

Key Services:
User authenticationMembership managementSubscription billing via StripeContent gatingSocial login integrationsDeveloper APIs and SDKs
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
Webflow CMSStripe payment processingGoogle Tag ManagerFacebook PixelPostHog analyticsjQueryWeglot (translation)OptibaseBing AdsHeroicons SVGIconify SVG icons
Frameworks:
WebflowReact (via React Package)Node.js (Admin Package)
Platforms:
WebflowStripe
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • Use of secure payment processor (Stripe)
  • No exposed sensitive data in HTML
  • Use of secure social login integrations
  • No visible vulnerable libraries

Analytics & Tracking

Services:
Google AnalyticsMicrosoft ClarityPostHog
Tracking Level:extensive
Privacy Compliance:good

Advertising & Marketing

Ad Networks:
Bing Ads
Tracking Pixels:
Facebook PixelMicrosoft ClarityGoogle Analytics (via GTM)PostHog
Marketing Tools:
Optibase
Transparency Level:good

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is fully accessible with rich content and interactive elements

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

30/100
Score

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

80/100
Score

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy85% confidence
Contact Information Found90% confidence
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

55/100
Score

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

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📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

55/100
Score

DMARC not enforcing

MEDIUM

DMARC policy is set to "none"

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

DMARC Partial Enforcement

LOW

DMARC only applies to 90% of messages

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 include:_spf.mlsend.com include:mail.zendesk.com ~all
DNS Lookups:2/10
Policy:~all
DMARC Details
Policy:none(90% enforcement)
Subdomain Policy:none
Aggregate Reports:re+709b9601d434@inbound.dmarcdigests.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

62/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

OCSP Stapling Not Enabled

LOW

OCSP stapling improves performance and privacy

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

SSL Certificate Expires Soon

HIGH

SSL certificate expires in 27 days

Partial SSL/TLS Assessment

LOW

Completed 3 of 4 security checks due to time constraints

Protocol Support

TLSv1.3TLSv1.2TLSv1.1

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

80/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

DMARC Policy Set to None

LOW

DMARC is configured but not enforcing any policy

DNS Records

A Records:76.223.27.102, 13.248.155.104
Name Servers:
beth.ns.cloudflare.comDNS only
nick.ns.cloudflare.comDNS only
MX Records:
1: aspmx.l.google.com
10: alt3.aspmx.l.google.com
10: alt4.aspmx.l.google.com
5: alt1.aspmx.l.google.com
5: alt2.aspmx.l.google.com
SOA:Serial: 2384929826, TTL: 1800s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:65ms

SPF Analysis

SPF Record:
v=spf1 include:_spf.mlsend.com include:mail.zendesk.com ~all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

How does memberstack.io compare?

See how memberstack.io stacks up against similar websites in the same industry.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built primarily on Webflow CMS, leveraging modern front-end technologies including React and Node.js packages for developer APIs. It integrates Stripe for payment processing and uses Google Tag Manager, Facebook Pixel, Microsoft Clarity, and PostHog for analytics and marketing. The site is well-optimized for performance and mobile responsiveness, with good accessibility features and SEO practices. Hosting is provided by Webflow, ensuring reliable uptime and scalability. The technical stack is modern and developer-friendly, supporting complex membership and subscription features without heavy backend infrastructure. Opportunities exist to improve security header implementation and formalize technical documentation for security and privacy compliance.
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Marketing Intelligence

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Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domainmemberstack.io
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.

SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

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