high8.8
CVE-2026-96230
Improper neutralization of input during web page generation ('cross-site scripting') in ASP.NET Core allows an unauthorized attacker to execute code over a net…
Impact
Improper neutralization of input during web page generation ('cross-site scripting') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Microsoft.AspNetCore.Components.WebAssembly.Server | >= 10.0.0, <= 10.0.12 | 10.0.13 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Microsoft.AspNetCore.Components.WebAssembly.Server | from 10.0.0 before 10.0.13 |
| Microsoft | Microsoft Visual Studio 2026 Version 18.10 | from 18.10.0 before 18.10.4 |
| Microsoft | Microsoft Visual Studio 2022 Version 17.14 | from 17.14.0 before 17.14.42 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-qjpx-jqm5-h2c4
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-qjpx-jqm5-h2c4
- https://github.com/dotnet/announcements/issues/478
- https://github.com/dotnet/aspnetcore/discussions/69802
- https://nvd.nist.gov/vuln/detail/CVE-2026-96230
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96230