prototype-pollution
prototype-pollution is an Application security skill for AI agents, published by jinyimeng01 in the mastermind-bug-bounty repository on GitHub. Skillspace rates prototype-pollution F (45/100) and the safety scan rated it risky; the rating is based on static analysis only.
Risky. This skill has patterns associated with unsafe behaviour. Read the source carefully before running it.
Prototype Pollution detection and gadget chaining. Covers server-side (Node.js merge/deep-extend, Python class pollution) and client-side (DOM clobbering, DOMPurify bypass, jQuery deep-extend). Includes gadget chains for RCE via EJS/Pug/Handlebars and XSS via DOMPurify bypass.
- Grade
- F
- Quality
- 45 / 100
- Safety
- Risky
- GitHub stars
- 49
Unproven: rated by static analysis only, not yet compared head-to-head.
Our two independent classifiers differ on this skill's category, so treat the placement as provisional.
This rating describes the version of the repository we crawled; it may have changed since.
Our review
- Architecture
- 80 / 100
- Maturity
- Basic: a single SKILL.md
- Security scan
- High-risk patterns
- License
- Not declared. Check the repository before reusing it.
- Adoption
- Adopted by 0 other repositories, in 0 collections
What the scanner flagged
- executes shell/subprocess
Not checked yet
- Category is a classifier prediction; no model has read this skill yet
- Not judged on the rubric yet (not a contender in its category)
- No blind task eval yet
- Scope (portable / vendor / repo-internal) not assessed; only the top of each category is read for scope
- Sibling files (scripts, references) not fetched; security scan covers SKILL.md only
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