CVE-2021-23383

moderate-risk
Published 2021-05-04

The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source.

Do I need to act?

~
3.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.6/10 Medium
NETWORK / HIGH complexity

Affected Products (2)

Handlebars

Affected Vendors

Netapp Handlebarsjs

References (12)

Patch https://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25...
Third Party Advisory https://security.netapp.com/advisory/ntap-20210618-0007/
Exploit https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1279031
Exploit https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1279032
Exploit https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279030
Exploit https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1279029
Patch https://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25...
Third Party Advisory https://security.netapp.com/advisory/ntap-20210618-0007/
Exploit https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1279031
Exploit https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1279032
Exploit https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279030
Exploit https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1279029
31
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 6/34 · Minimal
Exposure 7/34 · Low