CVE-2023-2142

Medium

Description

In Nunjucks versions prior to version 3.2.4, it was possible to bypass the restrictions which are provided by the autoescape functionality. If there are two user-controlled parameters on the same line used in the views, it was possible to inject cross site scripting payloads using the backslash \ character.

SeverityMedium

CVSS6.1

Exploit probability—

Product

Mozilla Nunjucks

PublishedNov 26, 2024

First seenNov 26, 2024

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

mozilla nunjucks3.2.4 or later
nunjucks3.2.4 or later

Vendor advisories

github.com/mozilla/nunjucks/security/advisories/GHSA-x77j-w7wf-fjmw

Affected products

Product	Affected versions	Fixed in
mozilla nunjucks	v < 3.2.4	3.2.4
nunjucksnpm	v < 3.2.4	3.2.4

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