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patchstackJuan Galiana LaraPATCHSTACK:8D955285641B2606CAA6E8A1193CA966
HistoryMar 10, 2009 - 12:00 a.m.

WordPress MU <= 2.7 - 'HOST' HTTP Header XSS Vulnerability

2009-03-1000:00:00
Juan Galiana Lara
patchstack.com
9

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

WordPress MU prior to version 2.7 fails to sanitize the Host header correctly in choose_primary_blog function and can be hacked. Sites running in based virtual hosting setup are not affected while they are not the default virtual host.

Solution

           Upgrade WordPress.
CPENameOperatorVersion
wordpress mule2.7

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

Related for PATCHSTACK:8D955285641B2606CAA6E8A1193CA966