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CVE-2026-27122

Опубликовано: 20 фев. 2026
Источник: redhat
CVSS3: 5.6

Описание

svelte performance oriented web framework. Prior to 5.51.5, when using <svelte:element this={tag}> in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5.

svelte is a performance oriented web framework. When using <svelte:element this={tag}> in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output. Client-side rendering is not affected.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Build of Podman Desktop - Tech Previewrhdesktop/rh-podman-desktop-ext-bootc-rhel10Fix deferred

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-1286
https://bugzilla.redhat.com/show_bug.cgi?id=2441520svelte: Svelte SSR does not validate dynamic element tag names in `<svelte:element>`

5.6 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.4
nvd
около 1 месяца назад

svelte performance oriented web framework. Prior to 5.51.5, when using <svelte:element this={tag}> in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5.

github
около 1 месяца назад

Svelte SSR does not validate dynamic element tag names in `<svelte:element>`

5.6 Medium

CVSS3