Individual skill
web-open-redirect
Open redirect — abuse a redirect param to send users to attacker sites, and chain it (OAuth token theft, SSRF filter bypass, phishing). Load on params like redirect=, next=, url=, return=, callback=, dest=, or a 30x Location built from input. Signals: `?returnUrl=`, login redirects, OAuth `redirect_uri`.
skills/web/web-open-redirect/SKILL.md
Source commit ee0e0c50d2f6d941a14b73dd85a2b470d0ab976e
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- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- No
- Repository scan complete
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- Skill scan complete
- Yes
- Observed behavior
- Not checked yet
- Last checked
- Nov 7, 2026
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Repository context
- Repository stars (not skill ratings)
- 27
- Repository last updated
- Oct 14, 2026
- License
- MIT
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- agent-skills Repository topic
- ai-agents Repository topic
- ai-security Repository topic
- application-security Repository topic
- blue-team Repository topic
- bug-bounty Repository topic
- claude-code Repository topic
- codex Repository topic
- detection-engineering Repository topic
- gemini Repository topic
- engineering Derived category
Files and excerpt
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SKILL.mdcore · 2,182 bytes
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# Open redirect
## When it applies
The app redirects to a location derived from user input without validating it stays on-site.
Low severity alone — but a powerful chain link.
## Why it works
The redirect target is attacker-controlled and trusted. On its own it's phishing; chained, it
turns other flows malicious (OAuth codes/tokens sent to your host, SSRF allowlist bypass via a
redirect to an internal URL).
## Method
1. **Find the param** (`redirect/next/url/return/dest/callback`) and set it to an external URL;
follow the response — a 30x `Location: https://evil.com` (or JS/meta redirect) confirms.