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CVE-2026-32732GHSA-6GGM-PWR9-R5H2

XSS in @leanprover/unicode-input-component

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 0.2.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Lean 4 VS Code Extension is a Visual Studio Code extension for the Lean 4 proof assistant. Projects that use @leanprover/unicode-input-component are vulnerable to an XSS exploit in 0.1.9 of the package and lower. The component re-inserted text in the input element back into the input element as unescaped HTML. The issue has been resolved in 0.2.0.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • leanprover vscode-lean4

    fixed in 0.2.0

  • @leanprover/unicode-input-componentnpm

    fixed in 0.2.0

References 3

GitHub · leanprover/vscode-lean4

leanprover.zulipchat.com