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Ubuntu.comUB:CVE-2021-20812

HistoryAug 26, 2021 - 12:00 a.m.

CVE-2021-20812

2021-08-2600:00:00

ubuntu.com

cross-site scripting

movable type

server sync

CVSS2

4.3

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

CVSS3

6.1

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

EPSS

0.001

Percentile

47.6%

JSON

Cross-site scripting vulnerability in Setting screen of Server Sync of
Movable Type (Movable Type Advanced 7 r.4903 and earlier (Movable Type
Advanced 7 Series) and Movable Type Premium Advanced 1.44 and earlier)
allows remote attackers to inject arbitrary script or HTML via unspecified
vectors.

References

jvn.jp/en/jp/JVN97545738/index.html

launchpad.net/bugs/cve/CVE-2021-20812

movabletype.org/news/2021/08/mt-780-681-released.html

nvd.nist.gov/vuln/detail/CVE-2021-20812

security-tracker.debian.org/tracker/CVE-2021-20812

www.cve.org/CVERecord?id=CVE-2021-20812

CVSS2

4.3

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

CVSS3

6.1

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

EPSS

0.001

Percentile

47.6%

JSON

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