Vulnerability library
Security checkMay 08, 2026

xmldom has XML node injection through unvalidated comment serialization - xmldom

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High severitynpmxmldom

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Description

The package allows attacker-controlled comment content to be serialized into XML without validating or neutralizing comment breaking sequences. As a result, an attacker can terminate the comment early and inject arbitrary XML nodes into the serialized output.

Recommendation

No fix is available yet. Followings are affected versions:

  • <= 0.6.0

References

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See something that needs correcting? Let us knowUpdated May 08, 2026