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TITLE:
WordPress "cache_lastpostdate" PHP Code Insertion

SECUNIA ADVISORY ID:
SA16386

VERIFY ADVISORY:
http://secunia.com/advisories/16386/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Wordpress 1.x
http://secunia.com/product/3978/

DESCRIPTION:
kartoffelguru has discovered a vulnerability in WordPress, which can
be exploited by malicious people to compromise a vulnerable system.

Input passed to the "cache_lastpostdate" parameter via cookies is not
properly sanitised before being used. This can be exploited to inject
arbitrary PHP script code.

Successful exploitation requires that "register_globals" is enabled.

The vulnerability has been confirmed in version 1.5.1.3. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
kartoffelguru

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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