swagger-typescript-api generates API clients for Fetch or Axios from OpenAPI specifications. Prior to 13.12.2, src/code-gen-process.ts createApiConfig copies servers[0].url into apiConfig.baseUrl, and templates/base/http-clients/fetch-http-client.ejs interpolates apiConfig.baseUrl into the generated HttpClient baseUrl field without escaping, allowing an attacker-controlled OpenAPI spec to inject TypeScript static field code that executes when the generated fetch client module is imported. This issue is fixed in version 13.12.2.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
References 4
https://github.com/acacode/swagger-typescript-api/commit/306d59acb8ffbb00f953f8…
security-advisories@github.com
https://github.com/acacode/swagger-typescript-api/pull/1779
security-advisories@github.com
https://github.com/acacode/swagger-typescript-api/releases/tag/v13.12.2
security-advisories@github.com
https://github.com/acacode/swagger-typescript-api/security/advisories/GHSA-hqj5…
security-advisories@github.com