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Security report for temp.sh

tempsh · Technology · Ireland

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

Security score

54/100

Risk levelMedium

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

Temp.sh is a small, niche technology service providing temporary file upload capabilities with a 3-day expiry and a 4GB file size limit. The service targets general users needing quick and easy file sharing, supporting command line uploads and ShareX integration. The business operates on a donation model without formal commercial offerings or extensive branding. Technically, the website is minimalistic, custom-built with basic HTML, CSS, and JavaScript, hosted by OVH SAS. The domain is registered in Ireland since 2018, consistent with the service's operational timeline. Security posture is moderate with HTTPS enabled but lacking DNSSEC and security headers. No privacy or cookie policies are present, and no vulnerability disclosure mechanisms are provided. Overall, the site is functional but lacks advanced security and compliance features.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 100 · Medium
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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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

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

Keep watching temp.sh

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
42
Security headers
15
Email security
40
DNS health
75
Network security
100
GDPR outside view
50
Average
54

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention temp.sh, from OffSeq Breach.

No leaked records found

Breach holds no records for temp.sh right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

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

Business context

Business profile

The business operates as a free utility service inspired by similar platforms like transfer.sh and termbin.com. It targets users needing temporary file sharing with minimal friction. Revenue is likely donation-based, with cryptocurrency addresses provided. The market position is that of a small, independent service with limited branding and no formal certifications or partnerships. The absence of privacy and cookie policies and minimal contact information limits business credibility. The service is hosted on a reputable provider, OVH SAS, and the domain registration is consistent and legitimate. Growth potential may be limited without formal business development or compliance enhancements.

Security posture

The security maturity level is basic. HTTPS is enforced, but DNSSEC is not enabled, and no security headers are detected, which exposes the site to potential risks such as clickjacking or MIME sniffing attacks. The upload form uses multipart/form-data but lacks visible CSRF protections or input validation indicators. No incident response or vulnerability disclosure information is provided, limiting transparency and readiness. The absence of privacy and cookie policies indicates compliance gaps, particularly regarding GDPR. Overall, the security posture is functional but requires improvements to meet modern standards and build user trust.

Recommendations

  1. Enable DNSSEC on the domain to improve DNS security and prevent spoofing.
  2. Implement standard security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Publish privacy and cookie policies to improve transparency and GDPR compliance.
  4. Add a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  5. Enhance form security with CSRF tokens and input validation to prevent abuse.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
tempsh
Description
Quick and handy temporary file and text sharing service with 3 days expiry and 4GB file size limit.
Key services
Temporary file upload, Command line interface upload support, ShareX integration
Content quality
basic
Branding
moderate

Technology

Stack
HTML5, CSS, JavaScript, curl (CLI support)
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
55/100
Good practices seen
  • HTTPS enforced
  • File upload form with multipart/form-data encoding

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

Design
basic
User experience
basic
Content relevance
good
Navigation
basic
Professionalism
basic
Trustworthiness
moderate

Key observations

  1. No privacy, cookie, or terms of service policies found on site.
  2. Contact email provided but no phone or physical address.
  3. Simple, minimalistic website design focused on utility.
  4. No analytics or tracking scripts detected.
  5. No security.txt or vulnerability disclosure information.
  6. No DNSSEC enabled for domain.
  7. No security headers detected in HTML content.
  8. Donation addresses for Bitcoin and Monero provided.
  9. No social media links found.
  10. File upload form present with multipart/form-data encoding.
Technical notes

Notes

The website uses a simple technology stack with static HTML, CSS, and JavaScript, without any detected CMS or frameworks. Hosting is provided by OVH SAS, a reputable provider. Performance is moderate with no advanced optimization or mobile responsiveness detected beyond basic levels. SEO is minimal but includes basic meta tags. Accessibility features are limited. The site lacks analytics or tracking scripts, indicating minimal user data collection. Technical debt appears low due to simplicity but modernization opportunities exist to improve security and user experience.
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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