The recommend patching any prototype pollution vulnerabilities you identify in your websites, regardless of whether these are coupled with exploitable gadgets. Even if you're confident that you haven't missed any, there's no guarantee that future updates to your own code or any libraries you use won't introduce new gadgets, paving the way for viable exploits.
In this section, we'll provide some high-level advice on some of the measures you can take to protect your own websites from the threats we've covered in our labs. We'll also cover some common pitfalls to avoid.
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