CVE-2021-23383
Prototype Pollution in handlebars
9.8
CRITICAL
CVSS 3.1
EPSS 5.7%
Description
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.
How to fix CVE-2021-23383
To remediate CVE-2021-23383, upgrade the affected package to a fixed version below.
- Debian/node-handlebars—upgrade to 3:4.7.6+~4.1.0-2 or later
- npm/handlebars—upgrade to 4.7.7 or later
Is CVE-2021-23383 being exploited?
Moderate — EPSS is 5.7%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 3:4.7.6+~4.1.0-2
- from 0, < 4.7.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |