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Security report for sass-lang.com

Sass team · Technology · N/a

Medium risk. 10 critical or high findings in Email security, Security headers and 2 other checks.

Security score

55/100

Risk levelMedium

0–100, higher is better. How it is calculated

Sass-lang.com is the official website for Sass, a mature and widely adopted CSS extension language used by web developers globally. The site provides comprehensive information about Sass's features, current releases, and community involvement. It is supported by a consortium of tech companies and a dedicated core team, positioning it as a leading technology project in the web development ecosystem. Technically, the website employs modern web standards, including HTML5, CSS3, and JavaScript, and leverages external services such as Google Fonts, DocSearch, and Google Analytics. Hosting is provided by Netlify, ensuring fast performance and good mobile optimization. Security-wise, the domain is stable with a long registration period and transfer protection, but lacks DNSSEC and explicit security headers. No privacy or cookie policies are present, and no contact or incident response information is provided, indicating areas for compliance improvement. Overall, the site is professional and trustworthy but could enhance its security posture and privacy compliance to align with best practices.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

10 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  2. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  3. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

Need hands-on remediation? Email guard@offseq.com

Keep watching sass-lang.com

This scan found 28 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
52
Security headers
30
Email security
40
DNS health
70
Network security
100
GDPR outside view
35
Average
55

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Sass operates as an open source project with a strong community and industry backing, serving web developers and organizations needing advanced CSS capabilities. Its business model revolves around community contributions and corporate sponsorship rather than direct monetization. The project maintains a strong market position as the premier CSS extension language, with widespread adoption and integration into popular frameworks like Bootstrap. The website reflects a medium-sized operation with consistent branding and active development. Partnerships are implied through community and GitHub presence, but no explicit commercial partners or subsidiaries are listed. Growth indicators include ongoing releases and active community engagement.

Security posture

The website demonstrates a moderate security maturity level with HTTPS usage and domain transfer protection. However, the absence of DNSSEC, security headers, and published security policies or vulnerability disclosure mechanisms indicates gaps in security best practices. No forms or sensitive data exposure were detected, reducing immediate risk. The use of Google Analytics introduces moderate user tracking, but privacy compliance is weak due to missing policies and consent mechanisms. Incident response readiness is unclear due to lack of contact channels for security issues. Overall, the security posture is adequate for an informational open source project but could be improved to meet higher compliance and trust standards.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Implement and publish comprehensive privacy and cookie policies with user consent mechanisms to improve GDPR compliance.
  3. Add security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to harden the website against common attacks.
  4. Publish a security policy and vulnerability disclosure guidelines including contact channels for incident reporting.
  5. Include clear contact information or a contact form to improve user trust and support capabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Sass team
Description
Sass is the most mature, stable, and powerful professional grade CSS extension language in the world. It is actively supported and developed by a consortium of several tech companies and hundreds of developers. Sass has been supported since 2006 and is industry approved with many frameworks built on it such as Bootstrap, Bourbon, and Susy.
Key services
Dart Sass compiler, LibSass compiler, Ruby Sass (deprecated), Implementation guides, Community support
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, Google Fonts, DocSearch, Google Analytics
Performance
fast
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • HTTPS enforced (implied by domain and Google Analytics usage)
  • Domain status clientTransferProhibited

Analytics and tracking

Services
Google Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
poor

Advertising

Marketing tools
DocSearch
Transparency
basic

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
high

Key observations

  1. Website is fully accessible with rich content about Sass CSS extension language.
  2. No explicit privacy, cookie, or terms of service policies found on homepage HTML.
  3. No contact emails, phone numbers, or physical addresses found in the HTML content.
  4. Social media presence limited to Mastodon instance link.
  5. Uses modern web technologies and external services for fonts, search, and analytics.
  6. No security.txt or vulnerability disclosure information found.
  7. WHOIS data indicates stable domain registration with no privacy protection.
  8. No security headers detected in provided data; SSL assumed but not explicitly confirmed.
  9. Google Analytics and Tag Manager scripts present indicating user tracking.
  10. No forms detected in the HTML content.
Technical notes

Notes

The website is built with modern web technologies and standards, ensuring good performance and mobile responsiveness. External dependencies include Google Fonts, DocSearch for search functionality, and Google Analytics for user tracking. Hosting on Netlify provides reliable and fast delivery. The HTML structure is valid and semantic, supporting SEO and accessibility at a basic level. However, there is room for improvement in accessibility features and explicit SEO metadata such as Open Graph or JSON-LD structured data, which were not detected. No CMS or frameworks were identified, indicating a likely static site or custom build. Overall, the technical implementation is solid with opportunities for modernization and enhanced security.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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