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Advisories

SvelteKit before 3.0.0 Open Redirect via Enhanced Form Actions

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Severity
low
Date
Affecting

  • kit >= 0, < 3.0.0

CWE
  • CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
CVSS
2.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Description
SvelteKit (@sveltejs/kit) before 3.0.0 contains an open redirect vulnerability in enhanced form actions (use:enhance) on routes accepting paths beginning with a double slash. Attackers can craft action paths starting with // that become protocol-relative URLs, causing non-redirect form results to navigate victims to attacker-controlled sites.

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