Cyberdudebivash

  Executive Summary A class of vulnerabilities first documented nearly a decade ago — broadly known as Broken Link Hijacking (BLH) — continues to haunt many organizations. Essentially, old or forgotten external URLs, scripts, subdomains, or file links that are still referenced in your live web pages but either have expired or been removed, are being automatically claimed by attackers. Once claimed, these dead endpoints become vectors for phishing, XSS, content injection, or even supply-chain compromise. Despite being “old news,” monitoring suggests that many high-traffic sites still suffer from broken/hijackable URLs, making this a persistent, under-appreciated risk. What is Broken Link Hijacking (BLH)? When a website or web-app includes a link or resource (script, style, image, subdomain, etc.) pointing to an external endpoint that is no longer valid (domain expired, repo removed, resource deleted, or DNS records floating). If an attacker notices this and can claim that...