Disclosure summary
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.
Source-reported weakness categories
CWE-1321
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2021-23383
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| handlebarsjs | handlebars | * {"versionEndExcluding":"4.7.7"} |
| netapp | e-series_performance_analyzer | - |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Patch, Third Party Advisory
- security.netapp.com — Third Party Advisory
- snyk.io — Exploit, Patch, Third Party Advisory
- snyk.io — Exploit, Patch, Third Party Advisory
- snyk.io — Exploit, Patch, Third Party Advisory
- snyk.io — Exploit, Patch, Third Party Advisory
- github.com — Patch, Third Party Advisory
- security.netapp.com — Third Party Advisory
- snyk.io — Exploit, Patch, Third Party Advisory
- snyk.io — Exploit, Patch, Third Party Advisory
- snyk.io — Exploit, Patch, Third Party Advisory
- snyk.io — Exploit, Patch, Third Party Advisory
PUBLISHED 2021-05-04T05:15:07-04:00
MODIFIED 2026-10-08T18:17:07-04:00
INGESTED 2026-10-10T20:50:20-04:00