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Japan Vulnerability NotesJVN:66542874

HistoryFeb 24, 2021 - 12:00 a.m.

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

2021-02-2400:00:00

Japan Vulnerability Notes

jvn.jp

216

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

0.001 Low

EPSS

Percentile

47.2%

JSON

Movable Type provided by Six Apart Ltd. contains multiple cross-site scripting vulnerabilities listed below.

Cross-site scripting vulnerability in Role authority setting screen (CWE-79) - CVE-2021-20663

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	Base Score: 6.1
CVSS v2	AV:N/AC:H/Au:N/C:N/I:P/A:N	Base Score: 2.6

Cross-site scripting vulnerability in Asset registration screen (CWE-79) - CVE-2021-20664

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	Base Score: 6.1
CVSS v2	AV:N/AC:H/Au:N/C:N/I:P/A:N	Base Score: 2.6

Cross-site scripting vulnerability in Add asset screen of Contents field (CWE-79) - CVE-2021-20665

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	Base Score: 6.1
CVSS v2	AV:N/AC:H/Au:N/C:N/I:P/A:N	Base Score: 2.6

Impact

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

Solution

Update the software
Update to the latest version according to the information provided by the developer.

Products Affected

CVE-2021-20663, CVE-2021-20664

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 6.7.5 and earlier (Movable Type 6.7 Series)
Movable Type Premium 1.39 and earlier
Movable Type Premium Advanced 1.39 and earlier
CVE-2021-20665
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
Movable Type Premium Advanced 1.39 and earlier

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

0.001 Low

EPSS

Percentile

47.2%

JSON

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