CVE-2025-27600: Flawed Json Escape Regex
The code uses a flawed negative lookbehind regex (`/(?<!\\)"/g`) to escape double quotes for JSON string substitution. This fails to correctly escape user input when an explicitly escaped backslash is provided (e.g., `\\"`), allowing an attacker to break out of JSON string boundaries and inject arbitrary object properties. Use `JSON.stringify(val).slice(1, -
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The code uses a flawed negative lookbehind regex (`/(?<!\\)"/g`) to escape double quotes for JSON string substitution. This fails to correctly escape user input when an explicitly escaped backslash is provided (e.g., `\\"`), allowing an attacker to break out of JSON string boundaries and inject arbitrary object properties. Use `JSON.stringify(val).slice(1, -
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