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AUSCERT Security Bulletin
A number of vulnerabilities have been identified in WordPress
7 September 2012
AusCERT Security Bulletin Summary
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Unknown/Unspecified
Reduced Security -- Unknown/Unspecified
Member content until: Sunday, October 7 2012
A number of vulnerabilities have been identified in WordPress prior
to version 3.4.2. 
The vendor has provided the following details regarding these issues:
"Version 3.4.2 also fixes a few security issues and contains some
security hardening. The vulnerabilities included potential privilege
escalation and a bug that affects multisite installs with untrusted
users. These issues were discovered and fixed by the WordPress
security team." 
"These issues were discovered and addressed by the WordPress security
* Fix unfiltered HTML capabilities in multisite.
* Fix possible privilege escalation in the Atom Publishing Protocol
* Allow operations on network plugins only through the network admin.
* Hardening: Simplify error messages when uploads fail.
* Hardening: Validate a parameter passed to wp_get_object_terms()." 
The vendor recommends uprgading to the latest version of WordPress to
correct these vulnerabilities. 
 WordPress 3.4.2 Maintenance and Security Release
 Version 3.4.2
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.
Australian Computer Emergency Response Team
The University of Queensland
Internet Email: email@example.com
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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