h5bp/Front-end-Developer-Interview-Questions

Public scan — anyone with this URL can view this analysis. Sign up to track your own repos privately, run scheduled re-scans, and get AI fix prompts via your dashboard.

11 of your 62 findings came from Repobility's proprietary detections. ✓ Repobility tags below mark them.

Scan timing: clone 1.39s · analysis 8.51s · 1.0 MB · GitHub API rate-limit (preflight)

h5bp/Front-end-Developer-Interview-Questions

https://github.com/h5bp/Front-end-Developer-Interview-Questions · scanned 2026-06-05 09:38 UTC (5 days, 16 hours ago) · 10 languages

89 raw signals (61 security + 28 graph) 69th percentile · Javascript · tiny (<2K LoC) System graph score 88 (lower by 16)

File as issue Image

UNIFIED Repobility · multi-layer engine · AI coders

Complete repo analysis

Last scanned 5 days, 16 hours ago · v2 · 63 actionable findings from 2 signal sources. 12 repeated signals grouped for readability. Security checks, system graph analysis, and verified AI-agent feedback are merged into one review queue.

JSON

77.8% cov · 8 findings

Score breakdown â 2026-05-18-v5

Component	Sub-score	Weight	Contribution
`structure_score`	100.0	0.15	15.00
`security_score`	55.0	0.25	13.75
`testing_score`	70.0	0.20	14.00
`documentation_score`	60.0	0.15	9.00
`practices_score`	83.0	0.15	12.45
`code_quality`	80.0	0.10	8.00
Overall		1.00	72.2

Severity distribution — click a segment to filter

Active filters: excluding tests × Reset all

Severity: Critical 2 High 23 Medium 24 Low 9 9-Layer: Software Security Quality Integrity Frontend Hardware Data Network Cicd Source: Security checks 55 System graph 8 Crowd 0 Layer: Software 52 Quality 3 Cicd 4 Api 1 Frontend 2 Security 1

Exclude dismissed / FP Exclude test files

Scan summary Quality grade B (72/100). Dimensions: security 55, maintainability 100. 61 findings (53 security). 122 lines analyzed.

Showing 58 of 63 actionable findings. 75 raw detector signals were grouped into reader-sized issues. Click TP / FP to vote on a finding's accuracy — votes adjust the confidence weighting and improve detection across the platform.

critical Security checks software dependencies conf 0.88 handlebars: GHSA-2w6w-674q-4c4q

Handlebars.js has JavaScript Injection via AST Type Confusion

package-lock.json

critical Security checks software dependencies conf 0.88 liquidjs: GHSA-gf2q-c269-pqgc

LiquidJS is Vulnerable to Remote Code Execution

package-lock.json

high Security checks software dependencies conf 0.88 cross-spawn: GHSA-3xgq-45jj-v275

Regular Expression Denial of Service (ReDoS) in cross-spawn

package-lock.json

medium Security checks cicd CI/CD security conf 0.90 ✓ Repobility 8 occurrences GitHub Action is tag-pinned rather than SHA-pinned

Action `github/codeql-action/init` pinned to mutable ref `@v4` uses a mutable tag or branch. Pin external actions to a reviewed full commit SHA when the workflow is security-sensitive.

2 files, 8 locations

.github/workflows/codeql-analysis.yml:30, 35, 38 (6 hits)

.github/workflows/gh-pages-build.yml:23 (2 hits)

CI/CD securitySupply chainGitHub Actions

high Security checks cicd CI/CD security conf 0.90 ✓ Repobility 2 occurrences GitHub Action is tag-pinned rather than SHA-pinned

Action `actions/checkout` pinned to mutable ref `@master` uses a mutable tag or branch. Pin external actions to a reviewed full commit SHA when the workflow is security-sensitive.

lines 11, 19

.github/workflows/gh-pages-build.yml:11, 19 (2 hits)

CI/CD securitySupply chainGitHub Actions

low Security checks cicd CI/CD security conf 0.90 ✓ Repobility 5 occurrences GitHub Action is tag-pinned rather than SHA-pinned

Action `actions/checkout` pinned to mutable ref `@v4` uses a mutable tag or branch. Pin external actions to a reviewed full commit SHA when the workflow is security-sensitive.

2 files, 5 locations

.github/workflows/gh-pages-build.yml:12, 14 (3 hits)

.github/workflows/codeql-analysis.yml:27 (2 hits)

CI/CD securitySupply chainGitHub Actions

high Security checks software dependencies conf 0.88 handlebars: GHSA-3mfm-83xf-c92r

Handlebars.js has JavaScript Injection via AST Type Confusion by tampering @partial-block

package-lock.json

high Security checks software dependencies conf 0.88 handlebars: GHSA-9cx6-37pm-9jff

Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

package-lock.json

high Security checks software dependencies conf 0.88 handlebars: GHSA-xhpv-hc6g-r9c6

Handlebars.js has JavaScript Injection via AST Type Confusion when passing an object as dynamic partial

package-lock.json

high Security checks software dependencies conf 0.88 handlebars: GHSA-xjpj-3mr7-gcpf

Handlebars.js has JavaScript Injection in CLI Precompiler via Unescaped Names and Options

package-lock.json

high Security checks software dependencies conf 0.88 html-minifier: GHSA-pfq8-rq6v-vf5m

kangax html-minifier REDoS vulnerability

package-lock.json

high Security checks software dependencies conf 0.88 liquidjs: GHSA-4rc3-7j7w-m548

liquidjs has a Denial of Service via circular block reference in layout

package-lock.json

high Security checks software dependencies conf 0.88 liquidjs: GHSA-56p5-8mhr-2fph

LiquidJS: Root restriction bypass for partial and layout loading through symlinked templates

package-lock.json

high Security checks software dependencies conf 0.88 liquidjs: GHSA-6q5m-63h6-5x4v

LiquidJS has Exponential Memory Amplification through its replace_first Filter $& Pattern

package-lock.json

high Security checks software dependencies conf 0.88 liquidjs: GHSA-9r5m-9576-7f6x

LiquidJS: memoryLimit Bypass through Negative Range Values Leads to Process Crash

package-lock.json

high Security checks software dependencies conf 0.88 liquidjs: GHSA-hh27-hf48-9f5q

LiquidJS has a memory and render limit bypass via unbounded width padding in `date` filter (strftime)

package-lock.json

high Security checks software dependencies conf 0.88 liquidjs: GHSA-r7g9-xpmj-5fcq

LiquidJS Vulnerable to ReDoS via Quadratic Backtracking in `strip_html` Filter Regex

package-lock.json

high Security checks software dependencies conf 0.88 liquidjs: GHSA-wmfp-5q7x-987x

liquidjs has a path traversal fallback vulnerability

package-lock.json

high Security checks software dependencies conf 0.88 lodash: GHSA-r5fr-rjxr-66jc

lodash vulnerable to Code Injection via `_.template` imports key names

package-lock.json

high Security checks software dependencies conf 0.88 minimatch: GHSA-23c5-xmqv-rm74

minimatch ReDoS: nested *() extglobs generate catastrophically backtracking regular expressions

package-lock.json

high Security checks software dependencies conf 0.88 minimatch: GHSA-3ppc-4f35-3m26

minimatch has a ReDoS via repeated wildcards with non-matching literal in pattern

package-lock.json

high Security checks software dependencies conf 0.88 minimatch: GHSA-7r86-cg39-jmmj

minimatch has ReDoS: matchOne() combinatorial backtracking via multiple non-adjacent GLOBSTAR segments

package-lock.json

high Security checks software dependencies conf 0.88 path-to-regexp: GHSA-9wv6-86v2-598j

path-to-regexp outputs backtracking regular expressions

package-lock.json

high Security checks software dependencies conf 0.88 picomatch: GHSA-c2c7-rcm5-vvqj

Picomatch has a ReDoS vulnerability via extglob quantifiers

package-lock.json

high Security checks software dependencies conf 0.88 semver: GHSA-c2qf-rxjj-qqgw

semver vulnerable to Regular Expression Denial of Service

package-lock.json

high Security checks software dependencies conf 0.88 tmp: GHSA-ph9p-34f9-6g65

tmp has Path Traversal via unsanitized prefix/postfix that enables directory escape

package-lock.json

high System graph cicd CI/CD security conf 1.00 GitHub Action tracks a moving branch

TartanLlama/actions-eleventy@master can move without a code change in this repo. Pin third-party actions to a reviewed 40-character commit SHA.

.github/workflows/gh-pages-build.yml:19 CI/CD securitySupply chainGithub actions

medium Security checks software dependencies conf 0.88 @babel/runtime: GHSA-968p-4wvh-cqc8

Babel has inefficient RegExp complexity in generated code with .replace when transpiling named capturing groups

package-lock.json

medium Security checks software dependencies conf 0.88 brace-expansion: GHSA-f886-m6hf-6m8v

brace-expansion: Zero-step sequence causes process hang and memory exhaustion

package-lock.json

medium Security checks software dependencies conf 0.88 handlebars: GHSA-2qvq-rjwj-gvw9

Handlebars.js has Prototype Pollution Leading to XSS through Partial Template Injection

package-lock.json

medium Security checks software dependencies conf 0.88 handlebars: GHSA-7rx3-28cr-v5wh

Handlebars.js has a Prototype Method Access Control Gap via Missing __lookupSetter__ Blocklist Entry

package-lock.json

medium Security checks software dependencies conf 0.88 js-yaml: GHSA-mh29-5h37-fv8m

js-yaml has prototype pollution in merge (<<)

package-lock.json

medium Security checks software dependencies conf 0.88 liquidjs: GHSA-2qv6-9wx5-cwv4

LiquidJS's strip_html filter bypass via newline characters in HTML tags enables XSS

package-lock.json

medium Security checks software dependencies conf 0.88 liquidjs: GHSA-8xx9-69p8-7jp3

LiquidJS has a renderLimit DoS guard bypass via empty `{% for %}` body

package-lock.json

medium Security checks software dependencies conf 0.88 liquidjs: GHSA-9x9p-qf8f-mvjg

LiquidJS's `{% render %}` tag silently bypasses per-render `ownPropertyOnly:true` via `Context.spawn()`

package-lock.json

medium Security checks software dependencies conf 0.88 liquidjs: GHSA-rv5g-f82m-qrvv

LiquidJS: ownPropertyOnly bypass via sort_natural filter — prototype property information disclosure through sorting side-channel

package-lock.json

medium Security checks software dependencies conf 0.88 liquidjs: GHSA-v273-448j-v4qj

LiquidJS: `renderFile()` / `parseFile()` bypass configured `root` and allow arbitrary file read

package-lock.json

medium Security checks software dependencies conf 0.88 lodash: GHSA-f23m-r3pf-42rh

lodash vulnerable to Prototype Pollution via array path bypass in `_.unset` and `_.omit`

package-lock.json

medium Security checks software dependencies conf 0.88 lodash: GHSA-xxjr-mmjv-4gpg

Lodash has Prototype Pollution Vulnerability in `_.unset` and `_.omit` functions

package-lock.json

medium Security checks software dependencies conf 0.88 markdown-it: GHSA-38c4-r59v-3vqw

markdown-it is has a Regular Expression Denial of Service (ReDoS)

package-lock.json

medium Security checks software dependencies conf 0.88 micromatch: GHSA-952p-6rrq-rcjv

Regular Expression Denial of Service (ReDoS) in micromatch

package-lock.json

medium Security checks software dependencies conf 0.90 npm package `@11ty/eleventy` is 1 major version(s) behind (2.0.1 -> 3.1.6)

`@11ty/eleventy` is pinned/resolved at 2.0.1 but the latest stable release on the npm registry is 3.1.6 (1 major version(s) behind). Outdated dependencies accumulate unpatched bugs and make future security upgrades harder. This is the version-currency signal Dependabot version-update PRs raise.

package.json

medium Security checks software dependencies conf 0.90 npm package `markdown-it-anchor` is 1 major version(s) behind (8.6.7 -> 9.2.0)

`markdown-it-anchor` is pinned/resolved at 8.6.7 but the latest stable release on the npm registry is 9.2.0 (1 major version(s) behind). Outdated dependencies accumulate unpatched bugs and make future security upgrades harder. This is the version-currency signal Dependabot version-update PRs raise.

package.json

medium Security checks software dependencies conf 0.90 npm package `markdown-it` is 1 major version(s) behind (13.0.2 -> 14.2.0)

`markdown-it` is pinned/resolved at 13.0.2 but the latest stable release on the npm registry is 14.2.0 (1 major version(s) behind). Outdated dependencies accumulate unpatched bugs and make future security upgrades harder. This is the version-currency signal Dependabot version-update PRs raise.

package.json

medium Security checks software dependencies conf 0.88 nunjucks: GHSA-x77j-w7wf-fjmw

Nunjucks autoescape bypass leads to cross site scripting

package-lock.json

medium Security checks software dependencies conf 0.88 picomatch: GHSA-3v7f-55p6-f55p

Picomatch: Method Injection in POSIX Character Classes causes incorrect Glob Matching

package-lock.json

medium Security checks software dependencies conf 0.88 prismjs: GHSA-x7hr-w5r2-h6wg

PrismJS DOM Clobbering vulnerability

package-lock.json

medium Security checks software dependencies conf 0.88 ws: GHSA-58qx-3vcg-4xpx

ws: Uninitialized memory disclosure

package-lock.json

medium System graph security Coverage conf 1.00 No auth library detected

The scanner did not find any standard auth library (JWT, OAuth, NextAuth, Auth0, etc.). Either auth lives in custom code, in a separate service, or is missing.

auth

medium System graph quality Tests conf 1.00 Very low test-to-source ratio

0 test file(s) for 3 source file(s) (ratio 0.00). Consider adding integration or unit tests for critical paths.

Coverage

low Security checks software dependencies conf 0.88 brace-expansion: GHSA-v6h2-p8h4-qcjw

brace-expansion Regular Expression Denial of Service vulnerability

package-lock.json

low Security checks software dependencies conf 0.88 handlebars: GHSA-442j-39wm-28r2

Handlebars.js has a Property Access Validation Bypass in container.lookup

package-lock.json

low Security checks software dependencies conf 0.88 liquidjs: GHSA-mmg9-6m6j-jqqx

LiquidJS Has Memory Limit Bypass via Quadratic Amplification in `replace` Filter

package-lock.json

low Security checks software dependencies conf 0.90 npm package `luxon` is minor version(s) behind (3.4.4 -> 3.7.2)

`luxon` is pinned/resolved at 3.4.4 but the latest stable release on the npm registry is 3.7.2 (minor version(s) behind). Outdated dependencies accumulate unpatched bugs and make future security upgrades harder. This is the version-currency signal Dependabot version-update PRs raise.

package.json

low Security checks software dependencies conf 0.88 tmp: GHSA-52f5-9888-hmc6

tmp allows arbitrary temporary file / directory write via symbolic link `dir` parameter

package-lock.json

low System graph software Dead code candidate conf 1.00 File has no detected symbols: config/eleventy.config.js

Source file with no class/function declarations — possible config, dead code, or scratch file.

low System graph software Dead code candidate conf 1.00 File has no detected symbols: src/_data/helpers.js

Source file with no class/function declarations — possible config, dead code, or scratch file.

low System graph frontend Frontend quality conf 1.00 Stray `console.log` in TS/JS — src/_includes/assets/js/app.js:1

Replace with the toast helper, an error boundary, or remove. `console.warn` / `console.error` are acceptable. Why: Hygiene — easy to leak debug output. Rule id: fq.console-leak

Fq console leak

For AI agents: Voting guide (TP/FP) MCP manifest Stdio wrapper SARIF Integrate Findings queue Vote TP/FP on findings to calibrate the engine.

For AI agents + API integrations

Email me when this repo regresses

Free. We re-scan periodically; new criticals → your inbox. No signup required for the scan itself.

API access

This page is publicly accessible at: https://repobility.com/scan/b55642cb-d669-422e-9596-eb2058a0a549/

To check status programmatically (no auth required):

curl -s https://repobility.com/api/v1/public/scan/b55642cb-d669-422e-9596-eb2058a0a549/

Important — please don't re-submit the same URL repeatedly. The submission endpoint is idempotent: re-submitting the same git URL returns this same scan_token, not a new one. To re-scan this repo, sign up free and use the dashboard.