Cross-Site Scripting (XSS) in Verdaccio

Impact

What kind of vulnerability is it? Who is impacted?

Cross-Site Scripting XSS, malicious packages with content Javascript that might be executed in the User Interface stealing user credentials.

Patches

Has the problem been patched? What versions should users upgrade to?

Users that still using v3 must upgrade to >3.12.0 or those have no problem to migrate to a major version >=4.0.0 also fix the issue.

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?

No, the users must update.

References

Are there any links users can visit to find out more?

https://www.npmjs.com/advisories/832 https://www.npmjs.com/advisories/833

The issue was reported by the NPMJS Security Team

For more information

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