Vulnerability in Handlebarsjs Handlebars

CVE-2021-23369

The package handlebars before 4.7.7 are vulnerable to Remote Code Execution (RCE) when selecting certain compiling options to compile templates coming from an untrusted source.

EPSS: 0.070 (93.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-23369?
CVE-2021-23369 is a medium-severity vulnerability in Handlebarsjs Handlebars. CVSS score: 5.6/10. Published 2021-04-12.
How severe is CVE-2021-23369?
Medium severity. CVSS v3 base score is 5.6 out of 10.
Is CVE-2021-23369 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.