Prototype pollution bugs have been exploited in both CTF challenges and real-world open-source applications, leading to significant security vulnerabilities such as remote code execution and denial-of-service attacks.
While source code access was previously required to discover these bugs, there is now interest in developing safe black-box detection techniques.
While this technique has limitations and should be used with caution, it may be useful in certain situations. However, the author recommends using Gareth Heyes' techniques (described in the post) in most cases, which do not rely on specific coding patterns and are generally safer.
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