WordPress 2.6.5 RSS Feed wp-includes/feed.php Host cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability classified as critical has been found in WordPress 2.6.5 (Content Management System). Affected is some unknown processing of the file wp-includes/feed.php of the component RSS Feed Handler. The manipulation of the argument Host with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Cross-site scripting (XSS) vulnerability in the self_link function in in the RSS Feed Generator (wp-includes/feed.php) for WordPress before 2.6.5 allows remote attackers to inject arbitrary web script or HTML via the Host header (HTTP_HOST variable).

The weakness was published 11/26/2008 by Jeremias Reith (Website). The advisory is available at wordpress.org. This vulnerability is traded as CVE-2008-5278 since 11/28/2008. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details and a exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k. By approaching the search of inurl:wp-includes/feed.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 37255 (Fedora 10 : wordpress-mu-2.6.5-1.fc10 (2008-11104)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context r.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at wordpress.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 3 days after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8927.

The vulnerability is also documented in the databases at X-Force (46882) and Tenable (37255).

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 37255
Nessus Name: Fedora 10 : wordpress-mu-2.6.5-1.fc10 (2008-11104)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 61954
OpenVAS Name: FreeBSD Ports: wordpress, de-wordpress, wordpress-mu
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: wordpress.org
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

11/25/2008 🔍
11/25/2008 +0 days 🔍
11/26/2008 +1 days 🔍
11/26/2008 +0 days 🔍
11/28/2008 +1 days 🔍
11/28/2008 +0 days 🔍
11/29/2008 +1 days 🔍
12/03/2008 +4 days 🔍
12/07/2008 +4 days 🔍
12/19/2008 +12 days 🔍
04/23/2009 +125 days 🔍
03/17/2021 +4346 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: wordpress.org
Researcher: Jeremias Reith
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-5278 (🔍)
X-Force: 46882 - WordPress feed.php cross-site scripting, Medium Risk
Vulnerability Center: 20130 - WordPress < 2.6.5 RSS Feed Generator Cross-Site Scripting Vulnerability in self_link Function, Medium
SecurityFocus: 32476 - WordPress 'wp-includes/feed.php' Cross-Site Scripting Vulnerability
Secunia: 32966 - Fedora update for wordpress, Less Critical
OSVDB: 50214 - WordPress wp-includes/feed.php self_link() Function Host Header RSS Feed XSS

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/19/2008 10:22
Updated: 03/17/2021 06:25
Changes: 12/19/2008 10:22 (97), 09/11/2017 08:49 (3), 03/17/2021 06:25 (3)
Complete: 🔍

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