CVE-2016-10547

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

Nunjucks is a full featured templating engine for JavaScript. Versions 2.4.2 and lower have a cross site scripting (XSS) vulnerability in autoescape mode. In autoescape mode, all template vars should automatically be escaped. By using an array for the keys, such as `name[]=<script>alert(1)</script>`, it is possible to bypass autoescaping and inject content into the DOM.

Metrics

CVSS 3.0 6.1/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
HackerOne	nunjucks node module	<=2.4.2

References

https://github.com/matt-/nunjucks_testExploit, Third Party Advisory
https://github.com/mozilla/nunjucks/issues/835Exploit, Third Party Advisory
https://nodesecurity.io/advisories/147Exploit, Third Party Advisory
https://github.com/matt-/nunjucks_testExploit, Third Party Advisory
https://github.com/mozilla/nunjucks/issues/835Exploit, Third Party Advisory
https://nodesecurity.io/advisories/147Exploit, Third Party Advisory

Timeline

Published: May 31, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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