Includes front-end JavaScript libraries with known security vulnerabilities

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Intruders have automated web crawlers that can scan your site for known security vulnerabilities. When the web crawler detects a vulnerability, it alerts the intruder. From there, the intruder just needs to figure out how to exploit the vulnerability on your site.

How this Lighthouse audit fails

Lighthouse flags front-end JavaScript libraries with known security vulnerabilities:

Lighthouse audit showing any front-end JavaScript libraries with known security vulnerabilities used by the page

To detect vulnerable libraries, Lighthouse:

Each Best Practices audit is weighted equally in the Lighthouse Best Practices Score. Learn more in The Best Practices score.

Stop using insecure JavaScript libraries

Stop using each of the libraries that Lighthouse flags. If the library has released a newer version that fixes the vulnerability, upgrade to that version. If the library hasn't released a new version or is no longer maintained, consider using a different library.

Click the links in the Library Version column of your report to learn more about each library's vulnerabilities.


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