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Critical severity9.8NVD Advisory· Published Aug 18, 2020· Updated Jun 17, 2026

CVE-2020-7707

CVE-2020-7707

Description

The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
property-exprnpm	< 2.0.3	2.0.3

Affected products

3

Property Expr Project/Property Expr
cpe:2.3:a:property-expr_project:property-expr:*:*:*:*:*:node.js:*:*
Range: <2.0.3
property-expr/property-exprdescription
ghsa-coords
pkg:npm/property-expr
Range: < 2.0.3

Patches

Vulnerability mechanics

References

5

github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7nvdPatchThird Party AdvisoryWEB
snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857nvdExploitThird Party AdvisoryWEB
snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800nvdExploitThird Party AdvisoryWEB
github.com/advisories/GHSA-6fw4-hr69-g3rvghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2020-7707ghsaADVISORY

News mentions

0

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