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Fencer Intel
critical —

GHSA-chh2-rvhg-wqwr json

Malicious Package in json-serializer

published 6y ago modified 6y ago

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
—
no score, EPSS covers CVEs only
public exploits
0
none known

Summary

Version 2.0.10 of `json-serializer` contained malicious code. The code when executed in the browser would enumerate password, cvc, cardnumber fields from forms and send the extracted values to `https://js-metrics.com/minjs.php?pl=`

## Recommendation

Remove the package from your environment and evaluate your application to determine whether or not user data was compromised.

Patch / fix

  • npm json-serializer 2.0.11

Is GHSA-chh2-rvhg-wqwr in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Affected packages

ecosystem package affected fixed in
npm json-serializer
>=2.0.10, <2.0.11
2.0.11

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.