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Medium severity4.3GHSA Advisory· Published May 13, 2026· Updated May 13, 2026

CVE-2026-44458

CVE-2026-44458

Description

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, the JSX renderer escapes style attribute object values for HTML but not for CSS. Untrusted input in a style object value or property name can therefore inject additional CSS declarations into the rendered style attribute. The impact is limited to CSS and does not allow JavaScript execution or HTML attribute breakout. This vulnerability is fixed in 4.12.18.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
hononpm
< 4.12.184.12.18

Affected products

19

Patches

Vulnerability mechanics

References

2

News mentions

0

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