Security
· 12 checks — HTTP headers, CSP, TLS handshake, and cookie hygiene rolled into one auditable list.DContent Security PolicyAction3 of 10 CSP checks passedFIX
'unsafe-inline' allows inline <script> tags, defeating CSP against XSS. Remove it and use nonces or hashes instead.
Unsafe value (unsafe-inline, unsafe-eval) in script-src defeats CSP's main protection — XSS injections can execute again.
Learn more ▾ ▴
unsafe-inline allows inline <script> tags; unsafe-eval allows eval() and similar. Both are necessary for some legacy code but explicitly dangerous. Migrate to nonces (per-page random tokens) or hashes (per-script SHA-256) instead.
Source: OWASP CSP / MDN
'unsafe-eval' allows eval() and similar functions, enabling code injection. Remove it.
Unsafe value (unsafe-inline, unsafe-eval) in script-src defeats CSP's main protection — XSS injections can execute again.
Learn more ▾ ▴
unsafe-inline allows inline <script> tags; unsafe-eval allows eval() and similar. Both are necessary for some legacy code but explicitly dangerous. Migrate to nonces (per-page random tokens) or hashes (per-script SHA-256) instead.
Source: OWASP CSP / MDN
Set object-src to 'none' to prevent Flash/Java plugin exploits.
object-src 'none'object-src open in CSP allows Flash/PDF/plugin embedding — a now-deprecated attack vector that should be explicitly blocked.
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object-src controls <object>, <embed>, and <applet> elements. Modern sites have no need for plugins; setting `object-src 'none'` blocks an entire class of legacy XSS vectors at zero cost. If your CSP missed it, add the directive.
Source: MDN CSP
Without base-uri, attackers can inject a <base> tag to hijack relative URLs. Set it to 'self' or 'none'.
base-uri 'self'Missing base-uri in CSP leaves a base-tag injection attack path open even on otherwise strict policies.
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A common omission: developers add CSP for script-src and frame-ancestors but forget base-uri. The result is a CSP that looks strict but lets an attacker rewrite every URL on the page via <base href>. Add `base-uri 'self'` to close the gap.
Source: MDN CSP
form-action restricts where forms can submit data, preventing form hijacking.
form-action 'self'Security gaps expose your site and users to attacks, eroding trust.
This directive upgrades HTTP resources to HTTPS automatically, preventing mixed content.
upgrade-insecure-requestsWithout upgrade-insecure-requests, any HTTP subresource link survives as a mixed-content warning instead of auto-upgrading.
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Adding `upgrade-insecure-requests` to your CSP turns every http:// subresource fetch into https:// at the browser layer. One-line defense against accidental mixed content from legacy links or third-party widgets.
Source: MDN CSP
Parsed Policy
FSubresource IntegrityAction0 of 1 external resources have SRIFIX
| Tag | Domain | Integrity |
|---|---|---|
| <script> | assets.ubuntu.com | ✗ Missing |
DEmail SecurityActionDMARC: noneFIX
This only monitors, it doesn't block spoofed emails. Change to p=quarantine or p=reject.
DMARC p=none collects reports but doesn't actually block spoofed mail — phishing emails still reach inboxes.
Learn more ▾ ▴
DMARC's three policies are p=none (monitor only), p=quarantine (mark as spam), and p=reject (bounce). Most domains start at p=none to gather data, but stay there forever, leaving spoofers unblocked. After 30 days of clean DMARC reports, graduate to p=quarantine, then p=reject.
Source: DMARC.org / NIST
Dsecurity.txtActionNo /.well-known/security.txt publishedFIX
security.txt
No security.txt found at /.well-known/security.txt
BSecurity Headers6 of 10 headers properly configuredREVIEW
A short max-age leaves a window for downgrade attacks. Set max-age to at least 31536000 (1 year).
max-age=31536000; includeSubDomainsShort HSTS max-age leaves a downgrade-attack window every time the cache expires — set ≥ 1 year.
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max-age below 31536000 (1 year) is below industry recommendation. The browser forgets the HSTS policy and re-exposes first-visit downgrade attacks. Set to 63072000 (2 years) and add `includeSubDomains; preload` to qualify for the HSTS preload list.
Source: RFC 6797 / hstspreload.org
This header prevents clickjacking by controlling who can embed your page in a frame. Set it to DENY or SAMEORIGIN.
DENYWithout frame protection, your site can be embedded in a hostile page and used for clickjacking.
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Clickjacking overlays your site under a transparent malicious page so users click invisible buttons. Setting X-Frame-Options: DENY (or a modern frame-ancestors CSP directive) blocks the embedding entirely. There's almost never a legitimate reason to allow it.
Source: OWASP / MDN
The Server header discloses the software version, aiding attackers in targeting known vulnerabilities. Remove the version number.
Server: nginx/1.18.0 tells attackers exactly which CVEs to test — strip the version string.
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Server version disclosure helps attackers select exploits matching your stack. Configure your server to omit the version (nginx: `server_tokens off;`, Apache: `ServerTokens Prod`). Doesn't fix vulnerabilities but removes the easy reconnaissance step.
Source: OWASP
same-originCOOP is set to a less-restrictive value (same-origin-allow-popups or unsafe-none) — partial isolation only.
Learn more ▾ ▴
COOP: same-origin is the strictest level. same-origin-allow-popups allows authenticated popup windows back to your origin. unsafe-none is the legacy default (effectively off). Pick the strictest level your app's popup flows tolerate.
Source: MDN COOP
CPermissions-PolicyAction1 directives, 5 missingREVIEW
Raw Header
Feature Permissions
BCORS ConfigurationNo CORS headersREVIEW
No CORS headers detected.
Cross-origin requests are blocked by browser same-origin policy.
Origin reflection test
Some servers mirror the request Origin header, which can be exploited. Test manually:
curl -sI -H "Origin: https://evil.com" <url> | grep -i access-control
BTransport SecurityHTTP/3, HSTS, and TLS version analysisREVIEW
ATLS & CertificatesTLS 1.3, 7 checks passedPASS
Renew the certificate before it expires to avoid browser warnings.
Cert expiry within the renewal window — fix now while there's no user impact, instead of after expiry when there's a full outage.
Learn more ▾ ▴
Most CAs recommend renewal at 30 days remaining. Inside that window, schedule the renewal immediately and verify auto-renewal is configured if applicable. Don't wait until 7 days; weekend / holiday timing can leave you exposed.
Source: Let's Encrypt / CA renewal best practice
HTTP/2 provides multiplexing and header compression for better performance.
HTTP/1.1 forces the browser to make sequential requests, multiplying latency on every page.
Learn more ▾ ▴
HTTP/2 (and HTTP/3) multiplex many requests over a single connection, eliminating head-of-line blocking. HTTP/1.1 forces the browser to either queue requests or open many parallel connections — both worse. Most modern web servers support HTTP/2 with one config line.
Source: MDN Web Docs
Certificate Chain
A+JS Library VulnerabilitiesNo known vulnerabilitiesPASS
No known JavaScript library vulnerabilities detected.
A+Information LeakageNo exposuresPASS
No sensitive files exposed — all paths returned 404.
| Path | Status | Category | Risk |
|---|---|---|---|
| /.git/HEAD | ✓ Not found | Version Control | — |
| /.git/config | ✓ Not found | Version Control | — |
| /.svn/entries | ✓ Not found | Version Control | — |
| /.env | ✓ Not found | Configuration | — |
| /.env.local | ✓ Not found | Configuration | — |
| /.env.production | ✓ Not found | Configuration | — |
| /wp-config.php | ✓ Not found | Configuration | — |
| /.htaccess | ✓ Not found | Configuration | — |
| /phpinfo.php | ✓ Not found | Debug | — |
| /server-status | ✓ Not found | Debug | — |
| /server-info | ✓ Not found | Debug | — |
| /.well-known/security.txt | ✓ Not found | Security Policy | — |