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Open Source Matters, Inc.JOOMLA-766

HistorySep 24, 2018 - 12:00 a.m.

[20190202] - Core - Browserside mime-type sniffing causes XSS attack vectors

2018-09-2400:00:00

Open Source Matters, Inc.

developer.joomla.org

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

0.001 Low

EPSS

Percentile

42.3%

JSON

A combination of specific webserver configurations, in connection with specific file types and browserside mime-type sniffing causes a XSS attack vector.

Affected configurations

Vulners

Node

joomlajoomla\!Range<3.9.3

CPENameOperatorVersion
joomla! cmslt3.9.3

CPE	Name	Operator	Version
	joomla! cms	lt	3.9.3

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

0.001 Low

EPSS

Percentile

42.3%

JSON

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