{"id":"GO-2026-5637","summary":"MCP Registry vulnerable to stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled `websiteUrl` in github.com/modelcontextprotocol/registry","details":"MCP Registry vulnerable to stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled `websiteUrl` in github.com/modelcontextprotocol/registry","aliases":["CVE-2026-44429","GHSA-rqv2-m695-f8j4"],"modified":"2026-06-25T23:01:36.340940916Z","published":"2026-06-25T22:34:38Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5637","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/modelcontextprotocol/registry/security/advisories/GHSA-rqv2-m695-f8j4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44429"},{"type":"FIX","url":"https://github.com/modelcontextprotocol/registry/commit/78b7bbde07948049b916d76b4769faee461ff930"},{"type":"FIX","url":"https://github.com/modelcontextprotocol/registry/pull/1249"},{"type":"WEB","url":"https://github.com/modelcontextprotocol/registry/releases/tag/v1.7.7"}],"affected":[{"package":{"name":"github.com/modelcontextprotocol/registry","ecosystem":"Go","purl":"pkg:golang/github.com/modelcontextprotocol/registry"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.7.7"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5637.json"}}],"schema_version":"1.7.5"}