Vulnerability Name:

CVE-2021-20665 (CCN-197364)

Assigned:2020-12-17
Published:2021-02-24
Updated:2021-03-22
Summary:Cross-site scripting vulnerability in in Add asset screen of Contents field of Movable Type 7 r.4705 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.4705 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.39 and earlier, and Movable Type Premium Advanced 1.39 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-20665

Source: CCN
Type: JVN#66542874
Multiple cross-site scripting vulnerabilities in Movable Type

Source: XF
Type: UNKNOWN
movabletype-cve202120665-xss(197364)

Source: MISC
Type: Third Party Advisory
https://jvn.jp/en/jp/JVN66542874/index.html

Source: CCN
Type: Movable Type Web site
Movable Type

Source: MISC
Type: Release Notes, Vendor Advisory
https://movabletype.org/news/2021/02/mt-760-676-released.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:movabletype:movable_type:*:*:*:*:*:*:*:* (Version <= 7.4705)
  • OR cpe:/a:movabletype:movable_type_advanced:*:*:*:*:*:*:*:* (Version <= 7.4705)
  • OR cpe:/a:movabletype:movable_type_premium:*:*:*:*:*:*:*:* (Version <= 1.39)
  • OR cpe:/a:movabletype:movable_type_premium_advanced:*:*:*:*:*:*:*:* (Version <= 1.39)

    • * Denotes that component is vulnerable
    BACK
    movabletype movable type *
    movabletype movable type advanced *
    movabletype movable type premium *
    movabletype movable type premium advanced *