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cveMitreCVE-2018-7753
HistoryMar 07, 2018 - 11:29 p.m.

CVE-2018-7753

2018-03-0723:29:00
CWE-20
mitre
web.nvd.nist.gov
118
security
bleach
uri
sanitization
cve-2018-7753

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.1

Confidence

High

EPSS

0.003

Percentile

70.6%

An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values werenโ€™t properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.

Affected configurations

Nvd
Node
mozillableachMatch2.1
OR
mozillableachMatch2.1.1
OR
mozillableachMatch2.1.2
VendorProductVersionCPE
mozillableach2.1cpe:2.3:a:mozilla:bleach:2.1:*:*:*:*:*:*:*
mozillableach2.1.1cpe:2.3:a:mozilla:bleach:2.1.1:*:*:*:*:*:*:*
mozillableach2.1.2cpe:2.3:a:mozilla:bleach:2.1.2:*:*:*:*:*:*:*

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.1

Confidence

High

EPSS

0.003

Percentile

70.6%