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to version 2.3.2, 3.0.2, 4.0.0-beta.11 or higher.
Affected versions of this package are vulnerable to Improper Input Validation due to the this.lastSegment
variable in the emit
function not being sanitized. An attacker can manipulate the this.lastSegment
variable to set it to __proto__
, leading to prototype pollution.
Notes:
1)If the application author has atypical HTML templates that feed user input into an object key.