xmldom has XML node injection through unvalidated comment serialization - xmldom

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

• GHSA-j759-j44w-7fr8
• CVE-2026-41672
• CWE-91
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• xmldom has XML node injection through unvalidated comment serialization - CVE-2026-41672
• xmldom has XML node injection through unvalidated processing instruction serialization - xmldom - CVE-2026-41675
• xmldom has XML node injection through unvalidated processing instruction serialization - CVE-2026-41675
• xmldom has XML injection through unvalidated DocumentType serialization - CVE-2026-41674

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Tags:

npm

xmldom