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osvGoogleOSV:CVE-2021-23518
HistoryJan 21, 2022 - 8:15 p.m.

CVE-2021-23518

2022-01-2120:15:07
Google
osv.dev
9
cve-2021-23518
prototype pollution
cached-path-relative

AI Score

9.4

Confidence

High

EPSS

0.011

Percentile

85.0%

The package cached-path-relative before 1.1.0 are vulnerable to Prototype Pollution via the cache variable that is set as {} instead of Object.create(null) in the cachedPathRelative function, which allows access to the parent prototype properties when the object is used to create the cached relative path. When using the origin path as proto, the attribute of the object is accessed instead of a path. Note: This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-CACHEDPATHRELATIVE-72573

AI Score

9.4

Confidence

High

EPSS

0.011

Percentile

85.0%