xmldom has XML node injection through unvalidated processing instruction serialization - xmldom

Description

The package allows attacker-controlled processing instruction data to be serialized into XML without validating or neutralizing the PI-closing sequence ?>. As a result, an attacker can terminate the processing instruction 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-x6wf-f3px-wcqx
• CVE-2026-41675
• CWE-91
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

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

You might also like:

How do hackers hack websites?

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

xmldom