Individual skill
web-clickjacking
Clickjacking / UI redress — frame a target so a victim's clicks hit hidden actions. Load when a page allows framing (no X-Frame-Options / frame-ancestors), on state-changing one-click actions, or "clickjacking". Signals: missing framebusting headers, sensitive buttons, OAuth consent, account settings.
skills/web/web-clickjacking/SKILL.md
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- Observed behavior
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- Last checked
- Nov 7, 2026
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- Repository last updated
- Oct 14, 2026
- License
- MIT
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SKILL.mdcore · 2,341 bytes
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# Clickjacking (UI redress)
## When it applies
A sensitive, state-changing page can be embedded in an `<iframe>` on an attacker site, and the
action needs only clicks (no CSRF token / re-auth). The attacker overlays their own UI so the
victim clicks the framed action unknowingly.
## Why it works
Without `X-Frame-Options: DENY/SAMEORIGIN` or CSP `frame-ancestors`, the browser lets any site
frame the page. Making the frame transparent and positioning it under a decoy button turns the
victim's clicks into actions on the target in their authenticated session.
## Method
1. **Check framability**: load the target in `<iframe src="https://target/…">`; if it renders (no