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Prototype Pollution Affecting nunjucks package, versions <3.2.3

Severity

 Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept

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  • Snyk ID SNYK-JS-NUNJUCKS-1079083
  • published 25 Feb 2021
  • disclosed 25 Feb 2021
  • credit CattChen (@ChenKS12138)
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Introduced: 25 Feb 2021

CVE NOT AVAILABLE CWE-1321 Open this link in a new tab

How to fix?

Upgrade nunjucks to version 3.2.3 or higher.

Overview

nunjucks is a powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired).

Affected versions of this package are vulnerable to Prototype Pollution. via the constructor class in nunjucks/src/runtime.js.

References

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High