[Japanese]

JVNDB-2023-000105

Movable Type vulnerable to cross-site scripting

Overview

Movable Type provided by Six Apart Ltd. contains a cross-site scripting vulnerability (CWE-79).

Six Apart Ltd. reported this vulnerability to JPCERT/CC to notify users of the solutions through JVN. JPCERT/CC and Six Apart Ltd. coordinated under the Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 3.5 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


Six Apart, Ltd.
  • Movable Type 7 r.5405 and earlier (Movable Type 7 Series)
  • Movable Type Cloud Edition (Version 7) r.5405 and earlier
  • Movable Type Premium Cloud Edition 1.58 and earlier
  • Movable Type Advanced 7 r.5405 and earlier (Movable Type 7 Series)
  • Movable Type Premium 1.58 and earlier
  • Movable Type Premium Advanced 1.58 and earlier

Impact

An arbitrary script may be executed on a logged-in user's web browser.
Solution

[Update the Software]
Apply the appropriate update according to the information provided by the developer.
The developer has released the following updates that contain fix for this vulnerability:

  • Movable Type 7 r.5501 (Movable Type 7 Series)
  • Movable Type Advanced 7 r.5501 (Movable Type 7 Series)
  • Movable Type Premium 1.59
  • Movable Type Premium Advanced 1.59
  • Movable Type Cloud Edition (Version 7) r.5501
  • Movable Type Premium Cloud Edition 1.59

For more information, refer to the information provided by the developer.
Vendor Information

Six Apart, Ltd.
CWE (What is CWE?)

  1. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2023-45746
References

  1. JVN : JVN#39139884
  2. National Vulnerability Database (NVD) : CVE-2023-45746
Revision History

  • [2023/10/25]
      Web page was published
  • [2024/05/10]
      References : Contents were added

Date Public2023/10/25
Date First Published2023/10/25
Date Last Updated2024/05/10