xmldom versions 0.6.0 and older do not correctly escape special characters when serializing elements removed from their ancestor. This may lead to unexpected syntactic changes during XML processing in some downstream applications.
Update to one of the fixed versions of
^0.5.1 || ^0.6.1 || >=0.7.0).
xmldom should switch to
@xmldom/xmldom to not be affected by this vulnerability.
See issue #271 for the status of publishing
xmldom to npm or join #270 for Q&A/discussion until it's resolved.
Downstream applications can validate the input and reject the maliciously crafted documents.
Similar to this one reported on the Go standard library:
For more information
If you have any questions or comments about this advisory:
- Open an issue in
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npm owner ls @xmldom/xmldom