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mozillaMozilla FoundationMFSA2012-104
HistoryNov 20, 2012 - 12:00 a.m.

CSS and HTML injection through Style Inspector — Mozilla

2012-11-2000:00:00
Mozilla Foundation
www.mozilla.org
24

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.015 Low

EPSS

Percentile

87.1%

Security researcher Mariusz Mlynski reported that when a maliciously crafted stylesheet is inspected in the Style Inspector, HTML and CSS can run in a chrome privileged context without being properly sanitized first. This can lead to arbitrary code execution.

Affected configurations

Vulners
Node
mozillafirefoxRange<17
OR
mozillafirefox_esrRange<10.0.11
CPENameOperatorVersion
firefoxlt17
firefox esrlt10.0.11

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.015 Low

EPSS

Percentile

87.1%