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CVE-2026-32732

Published: Mar 13, 2026

Modified: Mar 16, 2026

PUBLISHED

Description

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.

Vendor	Product	Versions
leanprover	vscode-lean4	affected `< 0.2.0`

Weaknesses (CWE)

References

https://github.com/leanprover/vscode-lean4/security/advisories/GHSA-6ggm-pwr9-r5h2

x_refsource_CONFIRM

https://github.com/leanprover/vscode-lean4/pull/735

x_refsource_MISC

https://leanprover.zulipchat.com/#narrow/channel/113488-general/topic/weird.20behavior.20in.20loogle.20searchbar/near/578502003

x_refsource_MISC

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