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Advisories

openapi-typescript-codegen through 0.31.0 Code Injection via Handlebars Templates

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severity
critical
date
Affecting

  • openapi-typescript-codegen <= 0.31.0

CWE
  • CWE-94 Improper Control of Generation of Code ('Code Injection')
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
George Chen
Description
openapi-typescript-codegen through 0.31.0 contains a code injection vulnerability that allows attackers controlling an OpenAPI document to inject JavaScript by supplying unescaped values interpolated into single-quoted string literals. Attackers can embed a single quote in path keys, parameter names, servers[0].url, or info.version to execute arbitrary JavaScript when generated clients are imported or service methods called.

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