CVE-2026-42502

EUVD-2026-31448
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 9%
Vulnerability Media Exposure
References
https://go.dev/cl/781701
https://go.dev/issue/79572
https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8
https://pkg.go.dev/vuln/GO-2026-5027