CVE-2024-21529: Implicit String Coercion Prototype Pollution
The key `$K` is extracted from an array and checked against restricted properties (e.g., `__proto__`) using strict equality (`===`) without prior string coercion. An attacker can bypass this check by providing a nested array (e.g., `['__proto__']`). During property access (`$O[$K]`), implicit string coercion turns the array into the restricted key, leading t
JSgreprules fetch cve-2024-21529-implicit-string-coercion-prototype-pollution --engine opengrepDescription
The key `$K` is extracted from an array and checked against restricted properties (e.g., `__proto__`) using strict equality (`===`) without prior string coercion. An attacker can bypass this check by providing a nested array (e.g., `['__proto__']`). During property access (`$O[$K]`), implicit string coercion turns the array into the restricted key, leading t
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