GHSA-6ggm-pwr9-r5h2
XSS in @leanprover/unicode-input-component
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @leanprover/unicode-input-component | < 0.2.0 | 0.2.0 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
Projects that use [@leanprover/unicode-input-component](https://www.npmjs.com/package/@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.
### Patches
The issue has been resolved in 0.2.0.
### Workarounds
Replace the unicode input component with a basic HTML text field.
References
External links from the advisory. They lead to third-party sites.
- https://github.com/leanprover/vscode-lean4/security/advisories/GHSA-6ggm-pwr9-r5h2
- https://nvd.nist.gov/vuln/detail/CVE-2026-32732
- https://github.com/leanprover/vscode-lean4/pull/735
- https://github.com/leanprover/vscode-lean4
- https://leanprover.zulipchat.com/#narrow/channel/113488-general/topic/weird.20behavior.20in.20loogle.20searchbar/near/578502003