Summary of www.costco.com [Desktop version] Website Security Test
Provided "as is" without any warranty of any kind.
Date/Time:Nov 6th, 2026 21:13 GMT+0
Server IP:151.101.139.52
Reverse DNS:-
Location:Montreal, Canada
Version:for desktop
Your final score:
- A
- B
- C
- F
C
Test Results Summary for www.costco.com
- 5 third-party web software dependancies were identified, including 4 outdated dependancies. A total of 21 known vulnerabilities were detected. One identified third-party web software dependancy has an unknown version. The CMS (IBM WebSphere Commerce) was identified, however, its version could not be determined. The following CMS components, JS-libraries or frameworks were identified: dompurify, react, react, and others. Show details.
- Potential GDPR compliance issues were identified related to Website Security, Cookie Disclaimer. Show details.
- Potential PCI DSS compliance issues were identified related to Requirements 6.3 and 6.4. Show details.
- Issues were identified with key security headers: missing X-Content-Type-Options, X-Frame-Options; misconfigured Content-Security-Policy. Optional HTTP header appears to be properly configured: Cache-Control. Show details.
- Content-Security-Policy is enforced but configuration issues were identified: directive errors, overly permissive directives. A report-only Content-Security-Policy is not present. Show details.
- 31 cookies detected; KP_UIDz, dtSa, rxvt, C_LOC, AMCV_97B21CFE5329614E0A490D45%40AdobeOrg, client-zip-short, kndctr_97B21CFE5329614E0A490D45_AdobeOrg_cluster, f_as, ajs_anonymous_id, CriteoSessionUserId, BCO, STORELOCATION, dtPC, adobeopt_exp, invCheckPostalCode, _lr_tabs_-costco%2Fproduction-vrwno, invCheckStateCode, C_WHLOC, WC_SESSION_ESTABLISHED, WC_ACTIVEPOINTER, rxVisitor, _lr_hb_-costco%2Fproduction-vrwno, dtCookie, kndctr_97B21CFE5329614E0A490D45_AdobeOrg_identity, WAREHOUSEDELIVERY_WHS have security or privacy-related configuration issues. Show details.
- 57 external requests detected; 6 requests failed. SRI is not used for 17 third-party JavaScript and CSS files. Show details.
- No significant anti-scraping protections were detected. Show details.
- DNS CNAME record detected; DNSSEC signatures are not present. Show details.
Compliance Summary for www.costco.com
- GDPR Compliance Failed: Potential GDPR compliance issues were identified related to Website Security, Cookie Disclaimer.
- PCI DSS Compliance Failed: Potential PCI DSS compliance issues were identified related to Requirements 6.3 and 6.4.