Prototype pollution in query_string_parser.js

[lelecolacola123]

Prototype pollution vulnerability in function _fillValue() in query-string-parser\query_string_parser.js in query-string-parser0.2.3 .
The function _fillValue lead to Prototype pollution in line 45

https://cheatsheetseries.owasp.org/cheatsheets/Prototype_Pollution_Prevention_Cheat_Sheet.html

[victorteokw]

Thanks @lelecolacola123, noted.