What is _index-injection?

An index of security rules for injection flaws in Atlassian Forge apps. Injection happens when untrusted input is treated as SQL, code, a command, HTML, or part of a network request.

Use it to check for SQL injection, code execution, cross-site scripting, prototype pollution, and server-side request forgery in Forge code.

It helps locate dangerous paths from user-controlled input to database queries, code execution, browser output, object properties, or request URLs.

_index-injection — Cursor rule for coding agents by atlassian: An index of security rules for injection flaws in…

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add rules/atlassian/forge-skills/_index-injection

Clone the repo

git clone --depth 1 https://github.com/atlassian/forge-skills

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/rules/atlassian/forge-skills/_index-injection.svg)](https://agentmods.dev/rules/atlassian/forge-skills/_index-injection)

Your own site

<a href="https://agentmods.dev/rules/atlassian/forge-skills/_index-injection"><img src="https://agentmods.dev/badge/rules/atlassian/forge-skills/_index-injection.svg" alt="Measured on agentmods" height="20"></a>

Per session 0 Nothing until a file matches its globs; then the whole rule loads.

When invoked 430 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5	$0.00000	$0.00430
Opus 5	$0.00000	$0.00215
Sonnet 5	$0.00000	$0.00086
Haiku 4.5	$0.00000	$0.00043

Measured 4d ago against content hash 5239d684385e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

_index-injection scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/forge-security-review/assets/security-rules/forge-injection/_index-injection.mdc · 45 lines

What it actually says

Scope: Injection vulnerabilities due to lack of input validation in Forge apps including SQL, command, XSS, prototype pollution, and code execution.
Priority: Injection vulnerabilities are the #2 category for P1 severity findings.

Key Forge Injection Risks

SQL injection via sql.executeRaw() or sql.prepare() without bindParams().
Command/code execution via AsyncFunction, Function(), eval() constructors with user input.
XSS when unsafe-inline CSP is enabled and usage of high risk attributes such as dangerouslySetInnerHTML.
Prototype pollution in RuntimeV2.
SSRF with user-controlled route segments.

Subrules

SQL Injection → @forge-injection/sql-injection.mdc
Remote Code Execution → @forge-injection/rce-code-execution.mdc
Cross-Site Scripting → @forge-injection/xss.mdc
Prototype Pollution → @forge-injection/prototype-pollution.mdc
SSRF and Request Forgery → @forge-injection/ssrf.mdc

Detection Heuristics

Trace untrusted input from resolvers, web triggers, and events into query/command sinks.
Search for string interpolation/concatenation in SQL calls.
Identify AsyncFunction, new Function(), eval() with dynamic input.
Check dangerouslySetInnerHTML usage when unsafe-inline is in manifest CSP.
Look for requestJira/requestConfluence calls without route template literals.

CWE References

CWE-89: SQL Injection
CWE-78: OS Command Injection
CWE-79: Cross-Site Scripting
CWE-94: Code Injection
CWE-1321: Prototype Pollution
CWE-918: Server-Side Request Forgery

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

4d ago First seen · 45 lines · 0 tokens per session scan A 5239d684385e

Subscribe to this mod's changes

_index-injection is a cursor rule published in the GitHub repository atlassian/forge-skills (20 stars, last pushed 5d ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 430 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Security agent-skills ai-agents claude-code-plugin claude-code-skills gemini-cli-extension mcp

_index-injection

Getting it into your agent

Wrote this? Show the measurements

What it costs to keep this loaded

Grade A, and why

Nothing flagged

What it actually says

What this file has done since we first saw it

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