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Issue title

XSS Risk

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Top 5 (default)
Severity Rule Title File:line
CRIT JRN001 Token handoff appears to use a callback URL or fragment packages/browser/src/posthog-surveys.ts:217
CRIT JRN001 Token handoff appears to use a callback URL or fragment packages/browser/src/posthog-featurefla…:1154
HIGH SEC100 [SEC100] CORS permissive Access-Control-Allow-Origin: *: Permissive CORS policy (`*` orig… packages/rrweb/rrweb/scripts/utils.js:41
HIGH MINED004 [MINED004] Weak Crypto: MD5/SHA1/DES/RC4 used for security context (not just checksums). packages/react-native/src/tooling/utils…:52
HIGH SEC006 [SEC006] XSS Risk: Direct HTML injection without sanitization. playground/vite/src/main.ts:6
HIGH SEC103 [SEC103] LDAP injection — non-constant search filter: User input concatenated into an LDA… packages/browser/src/utils/event-utils.…:141
HIGH SEC040 [SEC040] innerHTML XSS — template literal with server-supplied data: Setting .innerHTML w… playground/vite/src/counter.ts:5
HIGH SEC040 [SEC040] innerHTML XSS — template literal with server-supplied data: Setting .innerHTML w… packages/react-native/src/autocapture.t…:50
HIGH SEC040 [SEC040] innerHTML XSS — template literal with server-supplied data: Setting .innerHTML w… packages/browser/src/extensions/surveys…:11
HIGH SEC083 [SEC083] JS: new RegExp() with non-literal: new RegExp(<variable>) — variable input can c… packages/browser/src/utils/regex-utils.…:3
HIGH SEC083 [SEC083] JS: new RegExp() with non-literal: new RegExp(<variable>) — variable input can c… packages/browser/src/utils/elements-cha…:35
HIGH SEC083 [SEC083] JS: new RegExp() with non-literal: new RegExp(<variable>) — variable input can c… packages/browser/src/extensions/surveys…:182
HIGH SEC085 [SEC085] JS: child_process.exec with non-literal: child_process.exec with user-derived in… packages/core/src/error-tracking/parser…:26
HIGH SEC085 [SEC085] JS: child_process.exec with non-literal: child_process.exec with user-derived in… packages/browser/src/utils/elements-cha…:12
HIGH SEC085 [SEC085] JS: child_process.exec with non-literal: child_process.exec with user-derived in… packages/ai/src/sanitization/base64_rec…:8
HIGH SEC128 [SEC128] Async function without await — fire-and-forget Promise (AI mistake): Async call … packages/next/src/middleware/postHogMid…:162
HIGH SEC128 [SEC128] Async function without await — fire-and-forget Promise (AI mistake): Async call … packages/core/src/error-tracking/utils.…:20
HIGH SEC128 [SEC128] Async function without await — fire-and-forget Promise (AI mistake): Async call … packages/ai/src/prompts.ts:256
HIGH SEC029 [SEC029] Server-Side Request Forgery (SSRF) — outbound HTTP from user input: Outbound HTT… packages/ai/src/otel/processor.ts:89
HIGH SEC029 [SEC029] Server-Side Request Forgery (SSRF) — outbound HTTP from user input: Outbound HTT… packages/ai/src/otel/exporter.ts:79
HIGH SEC029 [SEC029] Server-Side Request Forgery (SSRF) — outbound HTTP from user input: Outbound HTT… examples/example-expo-53/ios/exampleexp…:58
HIGH MINED027 [MINED027] React State Array Mutation: state.X.push/splice/sort followed by setState — Re… scripts/docs/utils.js:141
HIGH MINED027 [MINED027] React State Array Mutation: state.X.push/splice/sort followed by setState — Re… compliance/node/adapter.js:68
HIGH SEC135 [SEC135] Auth/permission check missing on AI-generated endpoint: Mutating HTTP endpoint g… compliance/node/adapter.js:32
HIGH DKR014 Dockerfile copies the entire context without .dockerignore packages/browser/playground/react-route…:12
HIGH DKR014 Dockerfile copies the entire context without .dockerignore packages/browser/playground/react-route…:2
HIGH MINED134 [MINED134] Binary file `examples/example-expo-53/android/gradle/wrapper/gradle-wrapper.ja… examples/example-expo-53/android/gradle…:1
HIGH MINED122 [MINED122] package.json dep `posthog-node` pulled from URL/Git: `dependencies.posthog-nod… examples/example-convex/package.json:1
HIGH MINED122 [MINED122] package.json dep `@posthog/convex` pulled from URL/Git: `dependencies.@posthog… examples/example-convex/package.json:1
HIGH MINED122 [MINED122] package.json dep `@posthog/ai` pulled from URL/Git: `dependencies.@posthog/ai`… examples/example-convex/package.json:1
HIGH MINED122 [MINED122] package.json dep `posthog-js` pulled from URL/Git: `dependencies.posthog-js` =… packages/browser/playground/error-track…:1
HIGH MINED122 [MINED122] package.json dep `posthog-js` pulled from URL/Git: `dependencies.posthog-js` =… packages/browser/playground/error-track…:1
HIGH MINED122 [MINED122] package.json dep `posthog-js` pulled from URL/Git: `dependencies.posthog-js` =… packages/browser/playground/error-track…:1
HIGH MINED118 [MINED118] Dockerfile FROM `node:20-alpine` not pinned by digest: `FROM node:20-alpine` r… packages/browser/playground/react-route…:16
HIGH MINED118 [MINED118] Dockerfile FROM `node:20-alpine` not pinned by digest: `FROM node:20-alpine` r… packages/browser/playground/react-route…:10
HIGH MINED118 [MINED118] Dockerfile FROM `node:20-alpine` not pinned by digest: `FROM node:20-alpine` r… packages/browser/playground/react-route…:5
HIGH MINED118 [MINED118] Dockerfile FROM `node:20-alpine` not pinned by digest: `FROM node:20-alpine` r… packages/browser/playground/react-route…:1
HIGH MINED122 [MINED122] package.json dep `posthog-js` pulled from URL/Git: `dependencies.posthog-js` =… packages/browser/playground/react-route…:1
HIGH MINED122 [MINED122] package.json dep `posthog-js` pulled from URL/Git: `dependencies.posthog-js` =… packages/browser/playground/nuxtjs/pack…:1
HIGH MINED122 [MINED122] package.json dep `posthog-js` pulled from URL/Git: `dependencies.posthog-js` =… packages/browser/playground/chakra-emot…:1
HIGH MINED122 [MINED122] package.json dep `posthog-js` pulled from URL/Git: `dependencies.posthog-js` =… packages/browser/playground/csp-violati…:1
HIGH MINED122 [MINED122] package.json dep `posthog-js` pulled from URL/Git: `dependencies.posthog-js` =… packages/browser/playground/redux-todo-…:1
HIGH MINED122 [MINED122] package.json dep `posthog-js` pulled from URL/Git: `devDependencies.posthog-js… packages/browser/package.json:1
HIGH MINED118 [MINED118] Dockerfile FROM `node:20-alpine` not pinned by digest: `FROM node:20-alpine` r… compliance/node/Dockerfile:1
HIGH MINED118 [MINED118] Dockerfile FROM `node:20-alpine` not pinned by digest: `FROM node:20-alpine` r… compliance/browser/Dockerfile:1
HIGH MINED122 [MINED122] package.json dep `eslint-plugin-posthog-js` pulled from URL/Git: `devDependenc… package.json:1
HIGH JRN009 Secret-like setting is echoed into a password input value packages/browser/playground/copy-autoca…:37
HIGH MINED113 [MINED113] Express POST /flags has no auth: Express route POST /flags declared without an… packages/browser/playground/session-rec…:16
HIGH MINED113 [MINED113] Express POST /reset has no auth: Express route POST /reset declared without an… compliance/node/adapter.js:187
HIGH MINED113 [MINED113] Express POST /get_feature_flag has no auth: Express route POST /get_feature_fl… compliance/node/adapter.js:148
HIGH MINED113 [MINED113] Express POST /flush has no auth: Express route POST /flush declared without an… compliance/node/adapter.js:123
HIGH MINED113 [MINED113] Express POST /capture has no auth: Express route POST /capture declared withou… compliance/node/adapter.js:92
HIGH MINED113 [MINED113] Express POST /init has no auth: Express route POST /init declared without an a… compliance/node/adapter.js:32
HIGH MINED113 [MINED113] Express POST /reset has no auth: Express route POST /reset declared without an… compliance/browser/adapter.js:375
HIGH MINED113 [MINED113] Express POST /get_feature_flag has no auth: Express route POST /get_feature_fl… compliance/browser/adapter.js:291
HIGH MINED113 [MINED113] Express POST /flush has no auth: Express route POST /flush declared without an… compliance/browser/adapter.js:270
HIGH MINED113 [MINED113] Express POST /capture has no auth: Express route POST /capture declared withou… compliance/browser/adapter.js:241
HIGH MINED113 [MINED113] Express POST /init has no auth: Express route POST /init declared without an a… compliance/browser/adapter.js:198
MED SEC041 [SEC041] Tabnabbing — target="_blank" without rel="noopener noreferrer": <a target="_blan… playground/vite/src/main.ts:8
MED SEC136 [SEC136] AI-typical over-broad exception handler swallowing all errors: Catch-all excepti… packages/rrweb/rrweb/src/replay/canvas/…:22
MED SEC136 [SEC136] AI-typical over-broad exception handler swallowing all errors: Catch-all excepti… packages/react-native/src/native-deps.t…:150
MED ERR002 [ERR002] Empty Catch Block: Empty catch blocks hide errors. packages/react-native/src/optional/Opti…:8
MED ERR002 [ERR002] Empty Catch Block: Empty catch blocks hide errors. packages/react-native/src/native-deps.t…:216
MED ERR002 [ERR002] Empty Catch Block: Empty catch blocks hide errors. packages/core/src/utils/promise-queue.ts:10
MED SEC123 [SEC123] Production stack trace / debug output exposed: Debug mode left on in production … playground/nextjs/pages/_app.tsx:28
MED SEC123 [SEC123] Production stack trace / debug output exposed: Debug mode left on in production … packages/core/src/gzip.ts:130
MED SEC045 [SEC045] eval()/exec() on stored or user-supplied data: eval() and exec() on data — even … packages/core/src/error-tracking/parser…:26
MED SEC045 [SEC045] eval()/exec() on stored or user-supplied data: eval() and exec() on data — even … packages/browser/src/utils/elements-cha…:12
MED SEC045 [SEC045] eval()/exec() on stored or user-supplied data: eval() and exec() on data — even … packages/ai/src/sanitization/base64_rec…:8
MED SEC134 [SEC134] AI scaffold leftover — Lorem ipsum / example.com / John Doe in code: Lorem ipsum… packages/react-native/scripts/generate-…:29
MED SEC134 [SEC134] AI scaffold leftover — Lorem ipsum / example.com / John Doe in code: Lorem ipsum… packages/node/scripts/generate-docs.mjs:30
MED SEC134 [SEC134] AI scaffold leftover — Lorem ipsum / example.com / John Doe in code: Lorem ipsum… examples/example-next-app-router/app/au…:9
MED AUC001 [AUC001] No Repobility access matrix policy found: The repository uses web/API frameworks… —
MED DKR017 Dockerfile installs dependencies after copying the full source tree packages/browser/playground/react-route…:4
MED DKR007 Docker build context has no .dockerignore .dockerignore
MED DKR001 Docker final stage has no non-root USER packages/browser/playground/react-route…:17
LOW SEC132 [SEC132] String concat where the language has interpolation (AI style drift): String buil… packages/node/src/extensions/sentry-int…:150
LOW SEC132 [SEC132] String concat where the language has interpolation (AI style drift): String buil… packages/core/src/utils/number-utils.ts:19
LOW SEC132 [SEC132] String concat where the language has interpolation (AI style drift): String buil… packages/browser/src/extensions/sentry-…:138
LOW AIC003 Duplicated implementation block across source files packages/rrweb/rrweb-snapshot/src/utils…:175
LOW AIC003 Duplicated implementation block across source files packages/rrweb/rrweb-snapshot/src/recor…:1
LOW AIC003 Duplicated implementation block across source files packages/rrweb/rrweb-snapshot/src/rebui…:19
LOW AIC003 Duplicated implementation block across source files packages/rrweb/rrdom/src/index.ts:45
LOW AIC003 Duplicated implementation block across source files packages/rrweb/plugins/rrweb-plugin-con…:19
LOW AIC003 Duplicated implementation block across source files packages/react-native/src/surveys/surve…:294
LOW AIC003 Duplicated implementation block across source files packages/react-native/src/surveys/surve…:209
LOW AIC003 Duplicated implementation block across source files packages/react-native/src/surveys/compo…:387
LOW AIC003 Duplicated implementation block across source files packages/plugin-utils/rslib.config.ts:1
LOW AIC003 Duplicated implementation block across source files packages/node/src/types.ts:105
LOW AIC003 Duplicated implementation block across source files packages/node/src/extensions/sentry-int…:75
LOW AIC003 Duplicated implementation block across source files packages/node/rslib.config.ts:1
LOW AIC003 Duplicated implementation block across source files packages/mcp/rslib.config.ts:1
LOW AIC003 Duplicated implementation block across source files packages/core/src/types.ts:392
LOW AIC003 Duplicated implementation block across source files packages/browser/playwright.config.ts:3
LOW AIC003 Duplicated implementation block across source files packages/browser/playground/redux-todo-…:9
LOW AIC003 Duplicated implementation block across source files packages/ai/src/openai/index.ts:71
LOW AIC003 Duplicated implementation block across source files compliance/node/adapter.js:111
LOW WEB005 robots.txt does not advertise a sitemap examples/example-web/public/robots.txt
LOW DKC010 Compose service lacks no-new-privileges hardening compliance/node/docker-compose.yml:1
LOW DKC010 Compose service lacks no-new-privileges hardening compliance/browser/docker-compose.yml:1
INFO MINED088 [MINED088] React Conditional Hook: useState/useEffect inside if/loop violates Rules of Ho… packages/react/src/context/PostHogProvi…:69
INFO MINED058 [MINED058] React Dangerously Set Html: dangerouslySetInnerHTML bypasses Reacts JSX escapi… packages/browser/src/extensions/product…:81
INFO MINED058 [MINED058] React Dangerously Set Html: dangerouslySetInnerHTML bypasses Reacts JSX escapi… packages/browser/src/extensions/product…:91
INFO MINED045 [MINED045] Ts Non Null Assertion: x! asserts not null - bypasses null checks - TypeError … packages/browser/src/extensions/excepti…:131
INFO MINED045 [MINED045] Ts Non Null Assertion: x! asserts not null - bypasses null checks - TypeError … packages/browser/src/extensions/dead-cl…:42
INFO MINED045 [MINED045] Ts Non Null Assertion: x! asserts not null - bypasses null checks - TypeError … packages/browser/src/entrypoints/tracin…:216
INFO MINED054 [MINED054] Ts As Any: Casting to any (as any) bypasses type checking entirely. packages/browser/src/entrypoints/array.…:12
INFO MINED054 [MINED054] Ts As Any: Casting to any (as any) bypasses type checking entirely. packages/browser/src/consent.ts:128
INFO MINED054 [MINED054] Ts As Any: Casting to any (as any) bypasses type checking entirely. packages/browser/playground/chakra-emot…:17
INFO MINED056 [MINED056] React Key As Index: key={index} in map() — re-renders the wrong elements on re… packages/react/src/components/PostHogCa…:107
INFO MINED056 [MINED056] React Key As Index: key={index} in map() — re-renders the wrong elements on re… packages/browser/src/extensions/product…:110
INFO MINED056 [MINED056] React Key As Index: key={index} in map() — re-renders the wrong elements on re… examples/example-next-app-router/app/ca…:47
INFO MINED052 [MINED052] Ts Any Typed: : any used as type annotation. Defeats TypeScript type safety. examples/example-node/server.ts:77
INFO MINED052 [MINED052] Ts Any Typed: : any used as type annotation. Defeats TypeScript type safety. examples/example-expo-53/app/surveys.tsx:25
INFO MINED052 [MINED052] Ts Any Typed: : any used as type annotation. Defeats TypeScript type safety. examples/example-ai-aws-bedrock/chat.ts:45
INFO MINED044 [MINED044] Js Console Log Prod: console.log left in code. Should be replaced with logger … examples/example-ai-anthropic/streaming…:44
INFO MINED044 [MINED044] Js Console Log Prod: console.log left in code. Should be replaced with logger … examples/example-ai-anthropic/chat.ts:65
INFO MINED044 [MINED044] Js Console Log Prod: console.log left in code. Should be replaced with logger … compliance/node/adapter.js:205
INFO MINED043 [MINED043] Http Not Https: Hardcoded http:// (not localhost) for endpoints that handle cr… playground/nextjs/pages/replay-examples…:25
INFO MINED043 [MINED043] Http Not Https: Hardcoded http:// (not localhost) for endpoints that handle cr… packages/core/src/utils/bot-detection.ts:21
Reset to top 5 120 findings available (after auto-suppression of test files + won't-fix)

Issue body (markdown)

## Code-quality scan: `PostHog/posthog-js`

**Score: 67/100 (A-)**  ·  120 findings  ·  scanned 2026-06-05 18:32 UTC  ·  259,435 LOC

| Severity | Count |
|---|---|
| CRITICAL | 2 |
| HIGH | 56 |
| MEDIUM | 18 |
| LOW | 24 |

📊 [Full filterable report](https://repobility.com/scan/1874ab3f-846a-4195-84e6-26fee77143c6/)  ·  ![scorecard](https://repobility.com/scan/1874ab3f-846a-4195-84e6-26fee77143c6/report.png?v=1780684355-s2)

### Top findings

1. **CRITICAL** `JRN001` — Token handoff appears to use a callback URL or fragment
   `packages/browser/src/posthog-surveys.ts:217`
2. **CRITICAL** `JRN001` — Token handoff appears to use a callback URL or fragment
   `packages/browser/src/posthog-featureflags.ts:1154`
3. **HIGH** `SEC100` — CORS permissive Access-Control-Allow-Origin: *
   `packages/rrweb/rrweb/scripts/utils.js:41` · A05:2021 Security Misconfiguration
4. **HIGH** `MINED004` — Weak Crypto
   `packages/react-native/src/tooling/utils.ts:52` · CWE-327 · ✓ Repobility
5. **HIGH** `SEC006` — XSS Risk
   `playground/vite/src/main.ts:6` · A03:2021 Injection

---

**Security note**: this issue is public. If any flagged finding is a real, exploitable vulnerability, please redirect to your `SECURITY.md` policy or open a [private security advisory](https://docs.github.com/en/code-security/security-advisories/guidance-on-reporting-and-writing-information-about-vulnerabilities/privately-reporting-a-security-vulnerability) instead. We're happy to close this and re-submit privately.

---

_Filed automatically. Close this issue if not useful — we won't refile. Full report: https://repobility.com/scan/1874ab3f-846a-4195-84e6-26fee77143c6/_
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