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Status published
Medium
CVE-2021-23383
Prototype Pollution
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Francois Lajeunesse-Robert
References
- https://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25285b2ebea1c1e427
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1279029
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279030
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1279031
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1279032
- https://security.netapp.com/advisory/ntap-20210618-0007/
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Affected Vendor
Affected Software
handlebars
Vulnerable Versions:
unspecified
Timeline
Official Publish:
May 4th, 2021
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.