CVEvulnerability
CVE-2026-42573
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2026-06-09
- Last modified
- 2026-07-23
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.3 MEDIUM — CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-79
Description
Svelte is a performance oriented web framework. Prior to version 5.55.7, Svelte was vulnerable to DOM clobbering of its internal framework state on elements, potentially leading to XSS attacks. This issue has been patched in version 5.55.7.
Affected configurations
• svelte svelte (< 5.55.7)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.7 Product, Release Notes
- https://github.com/sveltejs/svelte/security/advisories/GHSA-rcqx-6q8c-2c42 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-42573 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2487093 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42573.json security.access.redhat.com