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rss-reader

Discover the RSS/Atom feed URL for a website, then run the fetch-rss.mjs script to retrieve and parse articles from the feed.

72

Quality

91%

Does it follow best practices?

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SecuritybySnyk

Low

Low-risk findings worth noting

SKILL.md
Quality
Evals
Security

Low

Low-risk findings.

2 low severity findings. Worth noting, but not necessarily harmful.

Low

W011: Third-party content exposure detected (indirect prompt injection risk).

What this means

The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.

Why it was flagged

Yes—when the required workflow runs `rss-reader <feed_url>`, `scripts/fetch-rss.mjs` fetches and parses outsider-authored RSS/Atom XML from the user-supplied `feedUrl` (`parser.parseURL(feedUrl)`), then injects the resulting feed fields (including `item.contentEncoded`/`item.description`/`summary`) as readable markdown into `stdout`, which is passed into the LLM context.

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Low

W012: Unverifiable external dependency detected (runtime URL that controls agent).

What this means

The skill fetches instructions or code from an external URL at runtime, and the fetched content directly controls the agent’s prompts or executes code. This dynamic dependency allows the external source to modify the agent’s behavior without any changes to the skill itself.

Why it was flagged

The skill calls parser.parseURL on an arbitrary user-supplied feed URL (e.g., "<feed_url>" / "<url>") at runtime and returns the fetched feed content as markdown intended for the LLM, so remote feed content can directly control prompts.

Repository
TeamWiseFlow/xiaobei
Audited
Security analysis
Snyk

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