CVE-2021-23383
Publication date 4 May 2021
Last updated 11 July 2025
Ubuntu priority
Cvss 3 Severity Score
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| node-handlebars | 26.04 LTS resolute |
Needs evaluation
|
| 25.10 questing |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal | Ignored end of standard support, was needs-triage | |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage | |
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
References
Other references
- https://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25285b2ebea1c1e427
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1279029
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1279032
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1279031
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279030
- https://www.cve.org/CVERecord?id=CVE-2021-23383