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CVE-2026-44429 MCP Registry: Stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled `websiteUrl`

🗓️ 14 May 2026 21:05:56Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

Stored XSS in catalogue UI via quote in publisher websiteUrl; fixed in version 1.7.7.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-44429
14 May 202621:05
attackerkb
cgr
Chainguard
CVE-2026-44429 vulnerabilities
10 May 202607:17
cgr
circl
Circl
CVE-2026-44429
4 May 202614:34
circl
cnnvd
CNNVD
MCP Registry 跨站脚本漏洞
14 May 202600:00
cnnvd
cve
CVE
CVE-2026-44429
14 May 202621:05
cve
euvd
EUVD
EUVD-2026-30487
14 May 202621:05
euvd
github
Github Security Blog
MCP Registry vulnerable to stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled `websiteUrl`
8 May 202617:18
github
nvd
NVD
CVE-2026-44429
14 May 202621:16
nvd
osv
OSV
CGA-GGQ7-7F6F-7CVG
9 May 202600:49
osv
osv
OSV
CGA-MM3G-43JF-37G3
10 May 202604:33
osv
Rows per page
[
  {
    "vendor": "modelcontextprotocol",
    "product": "registry",
    "versions": [
      {
        "version": "< 1.7.7",
        "status": "affected"
      }
    ]
  }
]

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