rules:
- id: ousast.javascript.regex.js-command-exec
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: Node child_process command execution needs review
  metadata:
    family: injection
    cwe: CWE-78
    origin: js-command-exec
    precision_estimate: '0.0'
    kind: regex
    tags:
    - syscall_entry
    status: enabled
    version: '1'
  pattern-regex: \b(exec|execSync)\s*\(
- id: ousast.javascript.regex.js-deserialize
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: JavaScript unsafe deserialization needs review
  metadata:
    family: deserialization
    cwe: CWE-502
    origin: js-deserialize
    precision_estimate: '0.0'
    kind: regex
    tags:
    - deserialization
    status: enabled
    version: '1'
  pattern-regex: \b(unserialize)\s*\(
- id: ousast.javascript.regex.js-dom-xss
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: DOM sink with untrusted input needs review
  metadata:
    family: output_encoding
    cwe: CWE-79
    origin: js-dom-xss
    precision_estimate: '0.0'
    kind: regex
    tags:
    - injection
    status: enabled
    version: '1'
  pattern-regex: \.(innerHTML|outerHTML)\s*=\s*[^\n]*\b(?:req|request|location|document\.location)
- id: ousast.javascript.regex.js-eval
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: Dynamic JavaScript evaluation needs review
  metadata:
    family: injection
    cwe: CWE-95
    origin: js-eval
    precision_estimate: '0.0'
    kind: regex
    tags:
    - syscall_entry
    status: enabled
    version: '1'
  pattern-regex: \b(eval)\s*\(
- id: ousast.javascript.regex.js-function-constructor
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: JavaScript Function constructor needs review
  metadata:
    family: injection
    cwe: CWE-95
    origin: js-function-constructor
    precision_estimate: '0.0'
    kind: regex
    tags:
    - syscall_entry
    status: enabled
    version: '1'
  pattern-regex: new\s+(Function)\s*\(
- id: ousast.javascript.regex.js-path-traversal
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: Node filesystem access with external input needs review
  metadata:
    family: path
    cwe: CWE-22
    origin: js-path-traversal
    precision_estimate: '0.0'
    kind: regex
    tags:
    - filesystem_entry
    status: enabled
    version: '1'
  pattern-regex: \bfs\.(readFile|readFileSync|writeFile|writeFileSync|createReadStream|unlink|unlinkSync)\s*\(\s*[^\n]*\b(?:req|request)\.
- id: ousast.javascript.regex.js-spawn-shell
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: Node spawn with shell needs review
  metadata:
    family: injection
    cwe: CWE-78
    origin: js-spawn-shell
    precision_estimate: '0.0'
    kind: regex
    tags:
    - syscall_entry
    status: enabled
    version: '1'
  pattern-regex: \b(spawn|spawnSync)\s*\([^\n]*shell\s*:\s*true
- id: ousast.javascript.regex.js-sql-injection
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: JavaScript SQL string composition needs review
  metadata:
    family: injection
    cwe: CWE-89
    origin: js-sql-injection
    precision_estimate: '0.0'
    kind: regex
    tags:
    - injection
    status: enabled
    version: '1'
  pattern-regex: \.(query|execute)\s*\(\s*[^\n]*(?:\$\{|\+\s*[A-Za-z_$])
- id: ousast.javascript.regex.js-ssrf
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: JavaScript outbound request with external input needs review
  metadata:
    family: untrusted_destination
    cwe: CWE-918
    origin: js-ssrf
    precision_estimate: '0.0'
    kind: regex
    tags:
    - network_entry
    status: enabled
    version: '1'
  pattern-regex: \b(axios|fetch|got)\s*[.(][^\n]*\b(?:req|request)\.
- id: ousast.javascript.regex.js-weak-hash
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: JavaScript weak hash needs review
  metadata:
    family: config_secrets
    cwe: CWE-327
    origin: js-weak-hash
    precision_estimate: '0.0'
    kind: regex
    tags:
    - crypto
    status: enabled
    version: '1'
  pattern-regex: createHash\s*\(\s*[\"'](md5|sha1)[\"']
- id: ousast.javascript.regex.js-xss-response
  languages:
  - javascript
  - typescript
  severity: WARNING
  message: Unsanitized HTTP response reflection needs review
  metadata:
    family: output_encoding
    cwe: CWE-79
    origin: js-xss-response
    precision_estimate: '0.0'
    kind: regex
    tags:
    - injection
    status: enabled
    version: '1'
  pattern-regex: \.(send|write|end)\s*\(\s*[^\n]*\b(?:req|request)\.(?:query|params|body)
- id: ousast.javascript.taint.eval
  mode: taint
  languages: &id001
  - javascript
  - typescript
  severity: ERROR
  message: 'eval: untrusted input reaches eval'
  metadata:
    family: injection
    cwe: CWE-95
    origin: sink:javascript:eval
    precision_estimate: unmeasured
    kind: taint
    calls:
    - eval
  pattern-sources:
  - pattern-either: &id002
    - pattern: req.query
    - pattern: req.query(...)
    - pattern: req.body
    - pattern: req.body(...)
    - pattern: req.params
    - pattern: req.params(...)
    - pattern: req.cookies
    - pattern: req.cookies(...)
    - pattern: req.headers
    - pattern: req.headers(...)
    - pattern: request.query
    - pattern: request.query(...)
    - pattern: req.url
    - pattern: req.url(...)
    - pattern: request.url
    - pattern: request.url(...)
    - pattern: req.rawHeaders
    - pattern: req.rawHeaders(...)
    - pattern: url.parse
    - pattern: url.parse(...)
    - pattern: parsedUrl
    - pattern: $OBJ.parsedUrl
    - pattern: parsedUrl(...)
    - pattern: $OBJ.parsedUrl(...)
  pattern-sinks:
  - pattern-either:
    - pattern: eval(...)
    - pattern: $OBJ.eval(...)
  pattern-sanitizers:
  - pattern-either:
    - &id003
      pattern: path.normalize(...)
    - &id004
      pattern: path.resolve(...)
    - &id005
      pattern: encodeURIComponent(...)
    - &id006
      pattern: $OBJ.encodeURIComponent(...)
    - &id007
      pattern: encodeURI(...)
    - &id008
      pattern: $OBJ.encodeURI(...)
    - &id009
      pattern: escape(...)
    - &id010
      pattern: $OBJ.escape(...)
    - &id011
      pattern: escapeHtml(...)
    - &id012
      pattern: $OBJ.escapeHtml(...)
    - &id013
      pattern: sanitizeHtml(...)
    - &id014
      pattern: $OBJ.sanitizeHtml(...)
    - &id015
      pattern: DOMPurify.sanitize(...)
- id: ousast.javascript.taint.exec
  mode: taint
  languages: *id001
  severity: ERROR
  message: 'exec: untrusted input reaches exec, execSync'
  metadata:
    family: injection
    cwe: CWE-78
    origin: sink:javascript:exec
    precision_estimate: unmeasured
    kind: taint
    calls:
    - exec
    - execSync
  pattern-sources:
  - pattern-either: *id002
  pattern-sinks:
  - pattern-either:
    - pattern: exec(...)
    - pattern: $OBJ.exec(...)
    - pattern: execSync(...)
    - pattern: $OBJ.execSync(...)
  pattern-sanitizers:
  - pattern-either:
    - *id003
    - *id004
    - *id005
    - *id006
    - *id007
    - *id008
    - *id009
    - *id010
    - *id011
    - *id012
    - *id013
    - *id014
    - *id015
- id: ousast.javascript.taint.html-response
  mode: taint
  languages: *id001
  severity: ERROR
  message: 'html.response: untrusted input reaches res.end, res.send, res.write, response.end, response.send, response.write'
  metadata:
    family: output_encoding
    cwe: CWE-79
    origin: sink:javascript:html.response
    precision_estimate: unmeasured
    kind: taint
    calls:
    - res.end
    - res.send
    - res.write
    - response.end
    - response.send
    - response.write
  pattern-sources:
  - pattern-either: *id002
  pattern-sinks:
  - pattern-either:
    - pattern: res.end(...)
    - pattern: res.send(...)
    - pattern: res.write(...)
    - pattern: response.end(...)
    - pattern: response.send(...)
    - pattern: response.write(...)
  pattern-sanitizers:
  - pattern-either:
    - *id003
    - *id004
    - *id005
    - *id006
    - *id007
    - *id008
    - *id009
    - *id010
    - *id011
    - *id012
    - *id013
    - *id014
    - *id015
- id: ousast.javascript.taint.html-unescaped
  mode: taint
  languages: *id001
  severity: ERROR
  message: 'html.unescaped: untrusted input reaches dangerouslySetInnerHTML, document.write, innerHTML, insertAdjacentHTML, outerHTML, v-html'
  metadata:
    family: output_encoding
    cwe: CWE-79
    origin: sink:javascript:html.unescaped
    precision_estimate: unmeasured
    kind: taint
    calls:
    - dangerouslySetInnerHTML
    - document.write
    - innerHTML
    - insertAdjacentHTML
    - outerHTML
    - v-html
  pattern-sources:
  - pattern-either: *id002
  pattern-sinks:
  - pattern-either:
    - patterns:
      - pattern: '{__html: $VALUE}'
      - focus-metavariable: $VALUE
    - pattern: document.write(...)
    - patterns:
      - pattern: $OBJ.innerHTML = $VALUE
      - focus-metavariable: $VALUE
    - pattern: insertAdjacentHTML(...)
    - pattern: $OBJ.insertAdjacentHTML(...)
    - patterns:
      - pattern: $OBJ.outerHTML = $VALUE
      - focus-metavariable: $VALUE
  pattern-sanitizers:
  - pattern-either:
    - *id003
    - *id004
    - *id005
    - *id006
    - *id007
    - *id008
    - *id009
    - *id010
    - *id011
    - *id012
    - *id013
    - *id014
    - *id015
- id: ousast.javascript.taint.outbound-request
  mode: taint
  languages: *id001
  severity: ERROR
  message: 'outbound.request: untrusted input reaches axios, fetch, got, http.get, http.request, https.get, https.request, needle, request, superagent, undici, unirest'
  metadata:
    family: untrusted_destination
    cwe: CWE-918
    origin: sink:javascript:outbound.request
    precision_estimate: unmeasured
    kind: taint
    calls:
    - axios
    - fetch
    - got
    - http.get
    - http.request
    - https.get
    - https.request
    - needle
    - request
    - superagent
    - undici
    - unirest
  pattern-sources:
  - pattern-either: *id002
  pattern-sinks:
  - pattern-either:
    - pattern: axios(...)
    - pattern: $OBJ.axios(...)
    - pattern: fetch(...)
    - pattern: $OBJ.fetch(...)
    - pattern: got(...)
    - pattern: $OBJ.got(...)
    - pattern: http.get(...)
    - pattern: http.request(...)
    - pattern: https.get(...)
    - pattern: https.request(...)
    - pattern: needle(...)
    - pattern: $OBJ.needle(...)
    - pattern: request(...)
    - pattern: $OBJ.request(...)
    - pattern: superagent(...)
    - pattern: $OBJ.superagent(...)
    - pattern: undici(...)
    - pattern: $OBJ.undici(...)
    - pattern: unirest(...)
    - pattern: $OBJ.unirest(...)
  pattern-sanitizers:
  - pattern-either:
    - *id003
    - *id004
    - *id005
    - *id006
    - *id007
    - *id008
    - *id009
    - *id010
    - *id011
    - *id012
    - *id013
    - *id014
    - *id015
- id: ousast.javascript.taint.path-open
  mode: taint
  languages: *id001
  severity: ERROR
  message: 'path.open: untrusted input reaches createReadStream, readFile, readFileSync, sendFile, unlink, unlinkSync'
  metadata:
    family: path
    cwe: CWE-22
    origin: sink:javascript:path.open
    precision_estimate: unmeasured
    kind: taint
    calls:
    - createReadStream
    - readFile
    - readFileSync
    - sendFile
    - unlink
    - unlinkSync
  pattern-sources:
  - pattern-either: *id002
  pattern-sinks:
  - pattern-either:
    - pattern: createReadStream(...)
    - pattern: $OBJ.createReadStream(...)
    - pattern: readFile(...)
    - pattern: $OBJ.readFile(...)
    - pattern: readFileSync(...)
    - pattern: $OBJ.readFileSync(...)
    - pattern: sendFile(...)
    - pattern: $OBJ.sendFile(...)
    - pattern: unlink(...)
    - pattern: $OBJ.unlink(...)
    - pattern: unlinkSync(...)
    - pattern: $OBJ.unlinkSync(...)
  pattern-sanitizers:
  - pattern-either:
    - *id003
    - *id004
    - *id005
    - *id006
    - *id007
    - *id008
    - *id009
    - *id010
    - *id011
    - *id012
    - *id013
    - *id014
    - *id015
- id: ousast.javascript.taint.prototype-merge
  mode: taint
  languages: *id001
  severity: ERROR
  message: 'prototype.merge: untrusted input reaches Object.assign, defaultsDeep, extend, merge, mergeDeep, set, setWith'
  metadata:
    family: prototype
    cwe: CWE-1321
    origin: sink:javascript:prototype.merge
    precision_estimate: unmeasured
    kind: taint
    calls:
    - Object.assign
    - defaultsDeep
    - extend
    - merge
    - mergeDeep
    - set
    - setWith
  pattern-sources:
  - pattern-either: *id002
  pattern-sinks:
  - pattern-either:
    - pattern: Object.assign(...)
    - pattern: defaultsDeep(...)
    - pattern: $OBJ.defaultsDeep(...)
    - pattern: extend(...)
    - pattern: $OBJ.extend(...)
    - pattern: merge(...)
    - pattern: $OBJ.merge(...)
    - pattern: mergeDeep(...)
    - pattern: $OBJ.mergeDeep(...)
    - pattern: set(...)
    - pattern: $OBJ.set(...)
    - pattern: setWith(...)
    - pattern: $OBJ.setWith(...)
  pattern-sanitizers:
  - pattern-either:
    - *id003
    - *id004
    - *id005
    - *id006
    - *id007
    - *id008
    - *id009
    - *id010
    - *id011
    - *id012
    - *id013
    - *id014
    - *id015
- id: ousast.javascript.taint.query
  mode: taint
  languages: *id001
  severity: ERROR
  message: 'query: untrusted input reaches execute, query'
  metadata:
    family: injection
    cwe: CWE-89
    origin: sink:javascript:query
    precision_estimate: unmeasured
    kind: taint
    calls:
    - execute
    - query
  pattern-sources:
  - pattern-either: *id002
  pattern-sinks:
  - pattern-either:
    - patterns:
      - pattern: execute($QUERY)
      - focus-metavariable: $QUERY
    - patterns:
      - pattern: $OBJ.execute($QUERY)
      - focus-metavariable: $QUERY
    - patterns:
      - pattern: query($QUERY)
      - focus-metavariable: $QUERY
    - patterns:
      - pattern: $OBJ.query($QUERY)
      - focus-metavariable: $QUERY
  pattern-sanitizers:
  - pattern-either:
    - *id003
    - *id004
    - *id005
    - *id006
    - *id007
    - *id008
    - *id009
    - *id010
    - *id011
    - *id012
    - *id013
    - *id014
    - *id015
- id: ousast.javascript.taint.redirect
  mode: taint
  languages: *id001
  severity: ERROR
  message: 'redirect: untrusted input reaches location.assign, location.replace, redirect'
  metadata:
    family: untrusted_destination
    cwe: CWE-601
    origin: sink:javascript:redirect
    precision_estimate: unmeasured
    kind: taint
    calls:
    - location.assign
    - location.replace
    - redirect
  pattern-sources:
  - pattern-either: *id002
  pattern-sinks:
  - pattern-either:
    - pattern: location.assign(...)
    - pattern: location.replace(...)
    - pattern: redirect(...)
    - pattern: $OBJ.redirect(...)
  pattern-sanitizers:
  - pattern-either:
    - *id003
    - *id004
    - *id005
    - *id006
    - *id007
    - *id008
    - *id009
    - *id010
    - *id011
    - *id012
    - *id013
    - *id014
    - *id015
- id: ousast.javascript.taint.vm-eval
  mode: taint
  languages: *id001
  severity: ERROR
  message: 'vm.eval: untrusted input reaches compileFunction, runInContext, runInNewContext, runInThisContext'
  metadata:
    family: injection
    cwe: CWE-95
    origin: sink:javascript:vm.eval
    precision_estimate: unmeasured
    kind: taint
    calls:
    - compileFunction
    - runInContext
    - runInNewContext
    - runInThisContext
  pattern-sources:
  - pattern-either: *id002
  pattern-sinks:
  - pattern-either:
    - pattern: compileFunction(...)
    - pattern: $OBJ.compileFunction(...)
    - pattern: runInContext(...)
    - pattern: $OBJ.runInContext(...)
    - pattern: runInNewContext(...)
    - pattern: $OBJ.runInNewContext(...)
    - pattern: runInThisContext(...)
    - pattern: $OBJ.runInThisContext(...)
  pattern-sanitizers:
  - pattern-either:
    - *id003
    - *id004
    - *id005
    - *id006
    - *id007
    - *id008
    - *id009
    - *id010
    - *id011
    - *id012
    - *id013
    - *id014
    - *id015