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Application Security

Web cache poisoning: attack mechanics and prevention

A 2024 academic scan of the Tranco Top 1000 domains found roughly 17% vulnerable to web cache poisoning — here's how the attack works and how to stop it at the edge.

Jul 8, 20266 min read
Application Security

WebAssembly's security model: sandbox guarantees and the attack surface that remains

Two Critical Wasmtime sandbox-escape CVEs landed on the same day in April 2026 — proof that a wasm sandbox is only as strong as the runtime enforcing it.

Jul 8, 20267 min read
Application Security

XS-Leaks explained: cross-site leak techniques and the defenses that stop them

XS-Leaks bypass the Same-Origin Policy without running a single line of attacker script — they read state through timing, frame counts, and error events instead.

Jul 8, 20266 min read
Application Security

A practical guide to bug bounty hunting

HackerOne alone has paid hackers over $300M since 2012, but most new researchers earn nothing — duplicates, not skill gaps, are the top reason first reports fail.

Jul 7, 20267 min read
Application Security

An introduction to C and C++ memory-safety vulnerabilities

Microsoft has reported that roughly 70% of the CVEs it patches each year trace back to memory-safety bugs — here's what buffer overflows, use-after-free, and double-free actually look like.

Jul 7, 20268 min read
Application Security

Apache Struts and the recurring pattern of path-traversal and RCE bugs

Equifax lost data on 147 million people to one unpatched Struts CVE in 2017 — and the same class of bug resurfaced in Struts as recently as December 2023.

Jul 7, 20266 min read
Application Security

CVE-2024-22195: how Jinja2's xmlattr filter opened an XSS hole

A single filter in Jinja, xmlattr, could inject arbitrary HTML attributes and slip past autoescaping entirely — fixed in Jinja 3.1.3, tracked as CVE-2024-22195.

Jul 7, 20266 min read
Application Security

PHP Laravel security best practices

One line, `protected $guarded = [];`, can turn a Laravel signup form into an admin-account minting machine — here's how to lock down five real Laravel risk areas.

Jul 7, 20266 min read
Application Security

Preventing SQL injection in Node.js applications

CWE-89 is a 25-year-old bug class, but Node's template literals make it trivially easy to reintroduce in mysql2, pg, and even Sequelize's raw-query escape hatch.

Jul 7, 20267 min read
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