CVE-2021-20813

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
Cross-site scripting vulnerability in Edit screen of Content Data of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series) and Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series)) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.
Overview
  • CVE ID
  • CVE-2021-20813
  • Assigner
  • vultures@jpcert.or.jp
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-26T02:15:11
  • Last Modified Date
  • 2021-09-01T18:44:44
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* 1 OR 7.0 7.8.0
cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* 1 OR 7.0 7.8.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://movabletype.org/news/2021/08/mt-780-681-released.html Release Notes Vendor Advisory
https://jvn.jp/en/jp/JVN97545738/index.html Third Party Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 16:08:00 Added to TrackCVE
2022-12-05 09:07:37 2021-08-26T02:15Z 2021-08-26T02:15:11 CVE Published Date updated
2022-12-05 09:07:37 2021-09-01T18:44:44 CVE Modified Date updated
2022-12-05 09:07:37 Analyzed Vulnerability Status updated