Svelte performance oriented web framework. Prior to version 5.53.5, errors from `transformError` were not correctly escaped prior to being embedded in the HTML output, causing potential HTML injection and XSS if attacker-controlled content is returned from `transformError`. Version 5.53.5 fixes the issue.
Metrics
Affected Vendors & Products
References
History
Thu, 26 Feb 2026 23:15:00 +0000
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ssvc
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Thu, 26 Feb 2026 13:30:00 +0000
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Svelte
Svelte svelte |
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| Vendors & Products |
Svelte
Svelte svelte |
Thu, 26 Feb 2026 01:30:00 +0000
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| Description | Svelte performance oriented web framework. Prior to version 5.53.5, errors from `transformError` were not correctly escaped prior to being embedded in the HTML output, causing potential HTML injection and XSS if attacker-controlled content is returned from `transformError`. Version 5.53.5 fixes the issue. | |
| Title | Svelte Vulnerable to XSS via HTML Comment Injection in SSR Error Boundary Hydration Markers | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-02-26T00:58:54.604Z
Updated: 2026-02-26T18:51:39.142Z
Reserved: 2026-02-24T15:19:29.718Z
Link: CVE-2026-27902
Updated: 2026-02-26T18:51:34.608Z
Status : Awaiting Analysis
Published: 2026-02-26T02:16:21.170
Modified: 2026-02-27T14:06:59.787
Link: CVE-2026-27902
No data.