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Output encoding and XSS checklist. Use when user-controlled data is rendered into HTML, JavaScript, CSS, URLs, headers, or emails.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Full security, correctness, and operability audit of code. Use when reviewing a diff, endpoint, or feature for vulnerabilities or bugs without a specific topic in mind — security review, audit, code review for safety, "check this for issues".
Inbound token and webhook verification checklist. Use when code verifies JWTs, API keys, signed URLs, or webhook signatures — decode-without-verify, alg confusion, missing exp/aud/iss checks, kid/JWKS handling, HMAC over raw body, replay windows.
Insecure deserialization checklist. Use when untrusted bytes (request bodies, cookies, sessions, cache entries, queue messages, uploaded files) are deserialized — native object deserializers, polymorphic JSON/XML typing, unsafe YAML, or missing type allowlists.
Time, timezone, and clock-correctness checklist. Use when code stores or computes timestamps, durations, timeouts, or expiry — naive vs aware datetimes, server-local now(), wall-clock for elapsed time, DST and calendar math, cross-zone comparisons.
Caching correctness checklist. Use when reviewing caches — keys missing a user/tenant dimension, stale data after writes, cache stampede, cached errors, or per-user responses landing in a shared or CDN cache.
Numeric and money precision checklist. Use when code computes money, totals, taxes, or splits — float used for currency, ad hoc rounding, integer overflow, division remainders, or unit/currency mismatches.
| name | audit-output-encoding |
| description | Output encoding and XSS checklist. Use when user-controlled data is rendered into HTML, JavaScript, CSS, URLs, headers, or emails. |
Read ../audit/references/access-data-security/output-encoding.md and apply its checklist to the code the
user specified (or the current diff if none was given). Verify each candidate
with ../audit/references/methodology/verify.md before reporting. Report findings with severity and
file:line references.
