Vulnerability library
Security checkApril 24, 2026

xmldom: XML injection via unsafe CDATA serialization allows attacker-controlled markup insertion - xmldom

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High severitynpmxmldom

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Description

@xmldom/xmldom allows attacker-controlled strings containing the CDATA terminator ]]> to be inserted into a CDATASection node. During serialization, XMLSerializer emitted the CDATA content verbatim without rejecting or safely splitting the terminator.

Recommendation

No fix is available yet. Followings are affected versions:

  • <= 0.6.0

References

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Related Issues

See something that needs correcting? Let us knowUpdated April 24, 2026