Later archive addition

Uncovering a Bug in Cloudflare's Minification Service

Cloudflare Auto Minify incorrectly treated comment markers inside ES6 template literals as real JavaScript comments. It could truncate scripts and, when attacker-controlled text crossed the damaged boundary, transform otherwise inert input into executable code, creating a code-injection condition at the CDN layer.

In the archive

• Added to the 2018 archive after the original list was published

Tags

• javascript
• parser-differential
• code-injection
• cdn
• cloudflare

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