All vulnerabilities
CVE-2020-8203
Prototype Pollution in lodash
Description
Versions of lodash prior to 4.17.19 are vulnerable to Prototype Pollution. The functions pick, set, setWith, update, updateWith, and zipObjectDeep allow a malicious user to modify the prototype of Object if the property identifiers are user-supplied. Being affected by this issue requires manipulating objects based on user-provided property values or arrays.
This vulnerability causes the addition or modification of an existing property that will exist on all objects and may lead to Denial of Service or Code Execution under specific circumstances.
Patch Available
Fix available through Seal Security.
No upgrade required, protect your application instantly.
Fix without upgrading
Score
Severity
Ecosystem
JavaScript
Publish Date
July 15, 2020
Modified Date
August 12, 2025
Score Vector
Affected Versions

