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Security Advisories

CVE-2026-42506

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-42506

Severity

6.1

Medium

CVSS V3

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Summary

Invoking incorrect handling of namespaced elements in foreign content in golang.org/x/net/html

Description

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

References

Affected packages

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