
DOM XSS Highlighter — Pro by 0xgz
Highlights user-controlled reflections in the DOM to help developers detect risky contexts. Runs only on-demand.
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You'll need Firefox to use this extension
Extension Metadata
About this extension
DOM XSS Highlighter — Pro helps developers and security testers detect reflected DOM values that may indicate potential XSS risks. The extension scans query parameters and hash fragments, highlights where they appear in the page, and provides quick insights on their context. This makes it easier to spot unsafe reflections, event handler injections, and unescaped text. Designed for security researchers, penetration testers, and web developers who want to strengthen application security during testing.
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Permissions and dataLearn more
Required permissions:
- Access browser tabs
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 31.05 KB
- Last updated
- 8 days ago (Sep 13, 2025)
- Related Categories
- License
- MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection
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