Npm mermaid Npm < 10.9.8 is vulnerable to Prototype Pollution

Low priority No impactful threat
< 10.9.8Vulnerable version(s)
11.16.1Patched version
6 Aug, 2026

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Risks

CVSS 2.4

As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.

2.4

Prototype Pollution

Attackers can change how the site's code behaves while it runs, sometimes leading to takeover.

CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.

Solutions

This security issue has a low severity impact and is unlikely to be exploited.

Update to version 11.16.1 or later.

Update to version 11.16.1 or later to resolve the vulnerability.

Details

Have additional information or questions about this entry? Let us know.

Timeline

Published by Patchstack

6 Aug, 2026

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