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GHSA-v39h-qm32-8gwq

Improperly Controlled Modification of Dynamically-Determined Object Attributes in express-mock-middleware

Source: GitHub Advisory Database (reviewed) Moderate CVE-2020-7616

Packages

EcosystemPackageAffectedFixed in
npm express-mock-middleware <= 0.0.6 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

express-mock-middleware through 0.0.6 is vulnerable to Prototype Pollution. Exported functions by the package can be tricked into adding or modifying properties of the `Object.prototype`. Exploitation of this vulnerability requires creation of a new directory where an attack code can be placed which will then be exported by `express-mock-middleware`. As such, this is considered to be a low risk.

References

External links from the advisory. They lead to third-party sites.