CVE-2023-2142: Mozilla Nunjucks

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Mozilla Nunjucks: before 3.2.4 (fixed in 3.2.4)

Published 2024-11-26. Last modified 2026-06-17.