CVE-2016-10547

Public Exploit

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.38%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory nodesecurity.io
Affected: HackerOne nunjucks node module
Published at:
Updated at:

References

Link Tags
https://github.com/mozilla/nunjucks/issues/835 third party advisory exploit
https://nodesecurity.io/advisories/147 third party advisory exploit
https://github.com/matt-/nunjucks_test third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2016-10547?
CVE-2016-10547 has been scored as a medium severity vulnerability.
How to fix CVE-2016-10547?
To fix CVE-2016-10547, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-10547 being actively exploited in the wild?
It is possible that CVE-2016-10547 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-10547?
CVE-2016-10547 affects HackerOne nunjucks node module.
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