CVE-2026-32732
XSS in @leanprover/unicode-input-component
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-80 |
| Vendor | leanprover |
| Product | vscode-lean4 |
| Published | Mar 13, 2026 |
| Last Updated | Mar 16, 2026 |
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Affected Versions
leanprover / vscode-lean4
< 0.2.0
References
github.com: https://github.com/leanprover/vscode-lean4/security/advisories/GHSA-6ggm-pwr9-r5h2 github.com: https://github.com/leanprover/vscode-lean4/pull/735 leanprover.zulipchat.com: https://leanprover.zulipchat.com/#narrow/channel/113488-general/topic/weird.20behavior.20in.20loogle.20searchbar/near/578502003