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Remote code execution in handlebars when compiling templates

Critical severity GitHub Reviewed Published May 6, 2021 to the GitHub Advisory Database • Updated Nov 29, 2023

Package

npm handlebars (npm)

Affected versions

< 4.7.7

Patched versions

4.7.7
maven org.webjars.bowergithub.wycats:handlebars.js (Maven)
< 4.7.7
4.7.7
maven org.webjars.npm:handlebars (Maven)
< 4.7.7
4.7.7
maven org.webjars:handlebars (Maven)
< 4.7.7
4.7.7

Description

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.

References

Published by the National Vulnerability Database Apr 12, 2021
Reviewed Apr 13, 2021
Published to the GitHub Advisory Database May 6, 2021
Last updated Nov 29, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2021-23369

GHSA ID

GHSA-f2jv-r9rf-7988

Source code

Credits

Checking history
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