CVE-2020-7707: Property-Expr Project Property-Expr

Critical severity, CVSS 9.8. EPSS: 3.4% chance of exploitation in the next 30 days.

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

Affected products

• Property-Expr Project Property-Expr: before 2.0.3 (fixed in 2.0.3)

Published 2020-08-18. Last modified 2026-06-17.