plan-design-review
Designer's eye plan review — interactive, like CEO and Eng review. (gstack)
Security
1 critical severity finding. Installing this skill is not recommended: please review these findings carefully if you do intend to do so.
E004: Prompt injection detected in skill instructions.
What this means
Detected a prompt injection in the skill instructions. The skill contains hidden or deceptive instructions that fall outside its stated purpose and attempt to override the agent’s safety guidelines or intended behavior.
Why it was flagged
The skill instructs authors to append an invisible marker like `<gstack-qid:...>` into AskUserQuestion text (the marker "doesn't render visibly to the user"), which is a hidden/deceptive instruction not apparent in the skill's user-facing design-review purpose.
Low
Low-risk findings.
1 low severity finding. Worth noting, but not necessarily harmful.
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
In `plan-design-review`, runtime can ingest outsider-authored free text from `feedback.json` written by the served design comparison board (`$D compare --serve` then reload/submit), and that JSON’s `comments`/`overall`/free-form fields are read back and used for subsequent AskUserQuestion/plan updates.
- Repository
- garrytan/gstack
- Commit
d078622
- Audited
- Security analysis
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