CVE-2026-33331 — oRPC: Stored XSS in OpenAPI Reference Plugin via unescaped JSON.stringify
oRPC is an tool that helps build APIs that are end-to-end type-safe and adhere to OpenAPI standards. Prior to version 1.13.9, a stored cross-site scripting (XSS) vulnerability e…
Published: 2026-03-24 · CVSS: 8.2 · CVSS 3.1
oRPC is an tool that helps build APIs that are end-to-end type-safe and adhere to OpenAPI standards. Prior to version 1.13.9, a stored cross-site scripting (XSS) vulnerability exists in the OpenAPI documentation generation of orpc. If an attacker can control any field within the OpenAPI specification (such as info.description), they can break out of the JSON context and execute arbitrary JavaScript when a user views the generated API documentation. This issue has been patched in version 1.13.9.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7