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CVE-2026-21393

🗓️ 04 Feb 2026 07:02:50Reported by jpcertType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Stored cross-site scripting in Movable Type Edit Comment may execute script in a logged-in user's browser.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-21393
4 Feb 202607:02
attackerkb
Circl
CVE-2026-21393
8 Feb 202623:02
circl
CNNVD
Movable Type 跨站脚本漏洞
4 Feb 202600:00
cnnvd
Cvelist
CVE-2026-21393
4 Feb 202607:02
cvelist
EUVD
EUVD-2026-5437
4 Feb 202607:02
euvd
Japan Vulnerability Notes
Multiple vulnerabilities in Movable Type
4 Feb 202607:15
jvn
NVD
CVE-2026-21393
4 Feb 202607:16
nvd
Positive Technologies
PT-2026-6098
4 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2026-21393
5 Feb 202607:26
redhatcve
UbuntuCve
CVE-2026-21393
4 Feb 202607:16
ubuntucve
Rows per page
[
  {
    "vendor": "Six Apart Ltd.",
    "product": "Movable Type (Software Edition)",
    "versions": [
      {
        "version": "9.0.4 to 9.0.5 (9.0 series)",
        "status": "affected"
      },
      {
        "version": "8.8.0 to 8.8.1 (8.8 series)",
        "status": "affected"
      },
      {
        "version": "8.0.2 to 8.0.8 (8.0 series)",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Six Apart Ltd.",
    "product": "Movable Type Advanced (Software Edition)",
    "versions": [
      {
        "version": "9.0.4 to 9.0.5 (9.0 series)",
        "status": "affected"
      },
      {
        "version": "8.8.0 to 8.8.1 (8.8 series)",
        "status": "affected"
      },
      {
        "version": "8.0.2 to 8.0.8 (8.0 series)",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Six Apart Ltd.",
    "product": "Movable Type Premium (Software Edition)",
    "versions": [
      {
        "version": "9.0.4 (MTP 9.0 series)",
        "status": "affected"
      },
      {
        "version": "2.13 and earlier (MTP 2 series)",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Six Apart Ltd.",
    "product": "Movable Type Premium (Advanced Edition) (Software Edition)",
    "versions": [
      {
        "version": "9.0.4 (MTP 9.0 series)",
        "status": "affected"
      },
      {
        "version": "2.13 and earlier (MTP 2 series)",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Six Apart Ltd.",
    "product": "Movable Type (Cloud Edition)",
    "versions": [
      {
        "version": "9.0.5 (9 series)",
        "status": "affected"
      },
      {
        "version": "8.8.1 (8 series)",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Six Apart Ltd.",
    "product": "Movable Type Premium (Cloud Edition)",
    "versions": [
      {
        "version": "9.0.5 (9 series)",
        "status": "affected"
      },
      {
        "version": "2.12 (MTP 2 series)",
        "status": "affected"
      }
    ]
  }
]

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15 Apr 2026 00:35Current
5.6Medium risk
Vulners AI Score5.6
CVSS 44.8
CVSS 35.4
EPSS0.00014
SSVC
8