Domain History

heinrich-sengelmann-kliniken.de

Grade C · 67/100 · 6/7 security headers present

Security Score

67/ 100

Security Headers

6/ 7

CSP Violations

NoViolations

Issues Found

11Issues

Recommendations

1Available

Security

67 / 100

Moderate security gaps found — unsafe directives or weak source restrictions.

Compliance

90 / 100

CSP implementation follows recommended standards and specifications.

Best Practices

47 / 100

Few best practices adopted — significant room for improvement.

CSP Analysis

Content Security PolicyHIGH

default-src 'none'; script-src 'self' 'unsafe-inline' https://www.heinrich-sengelmann-kliniken.de/mstat/ 'report-sample'; style-src-attr 'unsafe-inline' 'report-sample'; img-src 'self' data: https://www.hvv.de; base-uri 'self'; child-src 'self'; connect-src 'self' https://www.heinrich-sengelmann-kliniken.de/mstat/; font-src 'self' data:; form-action 'self'; frame-ancestors 'self'; manifest-src 'self'; media-src 'self' data:; object-src 'self'; script-src-elem 'self' blob: data: 'unsafe-inline' https://www.heinrich-sengelmann-kliniken.de/mstat/ 'report-sample'; style-src 'self' 'report-sample'; report-to 'self'; report-uri https://www.heinrich-sengelmann-kliniken.de/@http-reporting?csp=report&requestTime=1788261426137416&requestHash=12e7e5c103b591169e1ceb28ffb93d1ddbd9ac34

Directive Analysis

default-srcLOW

none

script-srcHIGH

self unsafe-inline https://www.heinrich-sengelmann-kliniken.de/mstat/ report-sample

•Unsafe inline execution allowed in script-src

•No nonces or hashes used for script-src

style-src-attrHIGH

unsafe-inline report-sample

•Unsafe inline execution allowed in style-src-attr

img-srcLOW

self data: https://www.hvv.de

•Info: 'data:' URI in img-src

base-uriLOW

self

child-srcLOW

self

connect-srcLOW

self https://www.heinrich-sengelmann-kliniken.de/mstat/

font-srcLOW

self data:

•Info: 'data:' URI in font-src

form-actionLOW

self

frame-ancestorsLOW

self

manifest-srcLOW

self

media-srcLOW

self data:

•Info: 'data:' URI in media-src

object-srcLOW

self

script-src-elemHIGH

self blob: data: unsafe-inline https://www.heinrich-sengelmann-kliniken.de/mstat/ report-sample

•HIGH RISK: 'blob:' URI in script-src-elem allows script execution from dynamic blobs

•CRITICAL: 'data:' URI in script-src-elem allows arbitrary JavaScript execution

•Unsafe inline execution allowed in script-src-elem

style-srcLOW

self report-sample

report-toLOW

self

report-uriLOW

https://www.heinrich-sengelmann-kliniken.de/@http-reporting?csp=report&requestTime=1788261426137416&requestHash=12e7e5c103b591169e1ceb28ffb93d1ddbd9ac34

•Deprecated: 'report-uri' is deprecated in CSP Level 3. Use 'report-to' directive instead.

Security Headers

✓Cross-Origin-Opener-PolicyPresent

same-origin

Isolates the browsing context to prevent Spectre-type side-channel attacks and cross-origin window manipulation.

✓Permissions-PolicyPresent

accelerometer=("https://www.youtube-nocookie.com/embed/"), autoplay=("https://www.youtube-nocookie.com/embed/"), camera=(), encrypted-media=("https://www.youtube-nocookie.com/embed/"), fullscreen=("https://www.youtube-nocookie.com/embed/"), geolocation=(), gyroscope=("https://www.youtube-nocookie.com/embed/"), magnetometer=(), midi=(), microphone=(), payment=(), picture-in-picture=("https://www.youtube-nocookie.com/embed/"), sync-xhr=(), usb=()

Restricts which browser features (camera, microphone, geolocation) the page can use, limiting attack surface.

✓Referrer-PolicyPresent

same-origin

Controls how much referrer information is sent with requests, preventing data leaks to third parties.

✓Strict-Transport-SecurityPresent

max-age=31536000; includeSubDomains; preload

Forces browsers to use HTTPS for all future requests, preventing man-in-the-middle attacks and SSL stripping.

✓X-Content-Type-OptionsPresent

nosniff

Prevents browsers from MIME-sniffing responses away from the declared Content-Type, blocking drive-by downloads.

✗X-Frame-OptionsMissing

Prevents the page from being embedded in iframes, protecting against clickjacking attacks.

How to add it:

nginx

add_header X-Frame-Options "DENY" always;

apache

Header always set X-Frame-Options "DENY"

cloudflare

Rules > Transform Rules > HTTP Response Header Modification > Set X-Frame-Options to "DENY"

✓X-XSS-ProtectionPresent

Legacy XSS filter for older browsers. Modern browsers use CSP instead. Set to "0" to avoid false positives.

1 recommended security header is missing on heinrich-sengelmann-kliniken.de.

Issues Found

•CRITICAL: 'data:' URI in script-src-elem allows arbitrary JavaScript executioncritical
•Deprecated: 'report-uri' is deprecated in CSP Level 3. Use 'report-to' directive instead.info
•HIGH RISK: 'blob:' URI in script-src-elem allows script execution from dynamic blobshigh
•Info: 'data:' URI in font-srcinfo
•Info: 'data:' URI in img-srcinfo
•Info: 'data:' URI in media-srcinfo
•Missing security header: X-Frame-Optionsmedium
•No nonces or hashes used for script-srcmedium
•Unsafe inline execution allowed in script-srchigh
•Unsafe inline execution allowed in script-src-elemhigh
•Unsafe inline execution allowed in style-src-attrhigh

Recommendations

→Consider implementing a stricter Content Security Policy

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