Vulnerability library
Security checkFebruary 01, 2023

Prototype Pollution in highlight.js

Understand the exposure, see the recommended fix, and check whether your own website has related weaknesses.

Medium severitynpmhighlight.js

Check your website

Find this and other vulnerabilities with a free scan.

Your scan runs on your computer. No account required.

Description

Affected versions of this package are vulnerable to Prototype Pollution. A malicious HTML code block can be crafted that will result in prototype pollution of the base object’s prototype during highlighting.

Recommendation

Update the highlight.js package to the latest compatible version. Followings are version details:

  • Affected version(s): **>= 10.0.0, < 10.1.2 < 9.18.2**
  • Patched version(s): **10.1.2 9.18.2**

References

Could your website be exposed too?

SmartScanner can check your website for Prototype Pollution in highlight.js and gives you actionable findings to investigate.

Start a free scan

Related Issues

You might also like:

How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

See something that needs correcting? Let us knowUpdated February 01, 2023