CVE-2026-32732
XSS in @leanprover/unicode-input-component
- State
- Published
- Severity
- 0.0 None
- Published
- Mar 13, 2026
- Updated
- Mar 16, 2026
- Reserved
- Mar 13, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 0.0 None | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N | GitHub_M |
Weaknesses
- CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Affected Products
| Product | Versions |
|---|---|
vscode-lean4leanprover |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.