DOM-Based XSS: Client-Side Sink Vulnerabilities
DOM-based XSS sink vulnerabilities let attacker data reach dangerous JavaScript sinks without touching the server, slipping past WAFs and static scanners.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
DOM-based XSS sink vulnerabilities let attacker data reach dangerous JavaScript sinks without touching the server, slipping past WAFs and static scanners.
Prototype pollution has hit lodash, jQuery, and minimist with real CVEs, from DoS to RCE. Here's how the bug works and how Safeguard catches it before it ships.
ReDoS took down Cloudflare's global network for 27 minutes in 2019 and Stack Overflow in 2016. Here's how one bad regex causes an outage, and how to catch it first.
eval() and exec() turn dynamic code execution into remote code execution. A cross-language look at how it happens in Python, JS, PHP, and Ruby.
BOLA/IDOR has topped the OWASP API Security Top 10 since 2019. Here's how USPS, Peloton, and Parler got breached by it—and how to catch it before you do.
BOPLA (OWASP API3:2023) lets APIs correctly check object access while leaking or accepting the wrong fields. Real breaches show why it's so hard to catch.
BFLA lets a regular user call admin-only API functions. Here's how the USPS, Peloton, and Coinbase incidents happened — and how to catch it before attackers do.
API4:2023 shows how a single unbounded request—GraphQL depth, a ReDoS regex, an unthrottled upload—can take down an API or run up a cloud bill.
OWASP's API10:2023 category covers a threat scanners can't see: bots abusing legitimate business flows like checkout and ticketing at scale. Here's how it works.
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