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AUSCERT Security Bulletin
ASB-2015.0037
A number of vulnerabilities have been corrected in WordPress
22 April 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: WordPress
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Create Arbitrary Files -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
Member content until: Friday, May 22 2015
OVERVIEW
A number of vulnerabilities have been corrected in WordPress prior to
version 4.1.2. [1]
IMPACT
The vendor has provided the following details regarding these
issues:
"WordPress versions 4.1.1 and earlier are affected by a critical
cross-site scripting vulnerability, which could enable anonymous
users to compromise a site." [1]
"In WordPress 3.9 and higher, a very limited cross-site scripting
vulnerability could be used as part of a social engineering attack."
[1]
"Some plugins were vulnerable to an SQL injection vulnerability."
[1]
"In WordPress 4.1 and higher, files with invalid or unsafe names
could be uploaded." [1]
MITIGATION
The vendor recommends updating to the latest version of WordPress
to correct these issues. [1]
REFERENCES
[1] WordPress 4.1.2 Security Release
https://wordpress.org/news/2015/04/wordpress-4-1-2/
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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