Prototype Pollution in simpl-schema

HIGH 7.5CVE-2020-7742 · GHSA-9mx2-prfp-8hqp · SNYK-JS-SIMPLSCHEMA-1016157 · Published 07/10/2020 · updated 17/06/2026

In short

CVE-2020-7742 is a HIGH (CVSS 7.5) vulnerability affecting simpl-schema (simpl-schema project), simpl-schema.
Chance of exploitation in the next 30 days (EPSS): 1.5%, higher than 74.6% of all vulnerabilities.
Fix: update to 1.10.2 or later.

Package	Affected versions	Patched versions
simpl-schema simpl-schema_project	`< 1.10.2`	`1.10.2`
simpl-schema npm	`< 1.10.2`	`1.10.2`

Description

This affects the package simpl-schema before 1.10.2. Attacker controlled input into a schema could result in remote code execution within the scope of the surrounding application.

NVD description

This affects the package simpl-schema before 1.10.2.

References

nvd.nist.gov/vuln/detail/CVE-2020-7742 · ADVISORY
longshotlabs/simpl-schema commit 5012884 · WEB
longshotlabs/simpl-schema release 1.10.2 · WEB
snyk.io/vuln/SNYK-JS-SIMPLSCHEMA-1016157 · WEB
aldeed/simpl-schema · Exploit

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free