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MCP Registry vulnerable to stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled `websiteUrl`

🗓️ 08 May 2026 17:18:32Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 7 Views

Stored cross site scripting in catalogue UI via publisher websiteUrl enabling on event handlers in href with publish token.

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