Unpatched Prototype Pollution Flaw Affects All Versions of Popular Lodash Library
July 09, 2019Mohit Kumar
Lodash, a popular npm library used by more than 4 million projects on GitHub alone, is affected by a high severity security vulnerability that could allow attackers to compromise the security of affected services using the library and their respective user base. Lodash is a JavaScript library that contains tools to simplify programming with strings, numbers, arrays, functions, and objects, helping programmers write and maintain their JavaScript code more efficiently. Liran Tal, a developer advocate at open-source security platform Snyk, recently published details and proof-of-concept exploit of a high-severity prototype pollution security vulnerability that affects all versions of lodash, including the latest version 4.17.11. The vulnerability, assigned as CVE-2019-10744 , potentially affects a large number of frontend projects due to the popularity of lodash that is being downloaded at a rate of more than 80 million times per month. Prototype pollution is a vulnerability t
