The remote host is missing an update to wordpress announced via advisory DSA 1564-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201564-1

Several remote vulnerabilities have been discovered in wordpress, a weblog manager. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2007-3639 Insufficient input sanitising allowed for remote attackers to redirect visitors to external websites. CVE-2007-4153 Multiple cross-site scripting vulnerabilities allowed remote authenticated administrators to inject arbitrary web script or HTML. CVE-2007-4154 SQL injection vulnerability allowed allowed remote authenticated administrators to execute arbitrary SQL commands. CVE-2007-0540 WordPress allows remote attackers to cause a denial of service (bandwidth or thread consumption) via pingback service calls with a source URI that corresponds to a file with a binary content type, which is downloaded even though it cannot contain usable pingback data. [no CVE name yet] Insufficient input sanitising caused an attacker with a normal user account to access the administrative interface. For the stable distribution (etch), these problems have been fixed in version 2.0.10-1etch2. For the unstable distribution (sid), these problems have been fixed in version 2.2.3-1. We recommend that you upgrade your wordpress package.