Summary of www.costco.com [Desktop version] Website Security Test
Provided "as is" without any warranty of any kind.
Date/Time:Nov 6th, 2026 21:21 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- 5 third-party web software dependancies were identified, including 4 outdated dependancies.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; _lr_tabs_-costco%2Fproduction-vrwno, dtSa, BCO, CriteoSessionUserId, rxvt, AMCV_97B21CFE5329614E0A490D45%40AdobeOrg, client-zip-short, kndctr_97B21CFE5329614E0A490D45_AdobeOrg_cluster, f_as, _lr_hb_-costco%2Fproduction-vrwno, rxVisitor, C_LOC, ajs_anonymous_id, STORELOCATION, adobeopt_exp, invCheckPostalCode, invCheckStateCode, C_WHLOC, kndctr_97B21CFE5329614E0A490D45_AdobeOrg_identity, dtCookie, WAREHOUSEDELIVERY_WHS, KP_UIDz, WC_ACTIVEPOINTER, WC_SESSION_ESTABLISHED, dtPC have security or privacy-related configuration issues. Show details.
- 60 external requests detected; 8 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.