X/Twitter via xurl CLI: raw post search, posting, DM, media.
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Low
Low-risk findings worth noting
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tessl review fix ./skills/social-media/xurl/SKILL.mdLow
Low-risk findings.
2 low severity findings. Worth noting, but not necessarily harmful.
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.
The required workflow ingests outsider-authored free text from X content at runtime when it runs `xurl search ...` and returns raw post objects (IDs, authors, full text), and also when it reads timelines/mentions (e.g., `xurl timeline`, `xurl mentions`) via the X API.
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.
The Installation section instructs running a remote installer via curl piped to bash that would fetch and execute code from https://raw.githubusercontent.com/xdevplatform/xurl/main/install.sh during setup, which is remote code execution at runtime.
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