WordPress up to 3.9.2 Comment cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in WordPress up to 3.9.2. Affected is an unknown function of the component Comment Handler. Such manipulation leads to cross site scripting. This vulnerability is documented as CVE-2014-9031. The attack can be executed remotely. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in WordPress up to 3.9.2 (Content Management System). Affected by this issue is an unknown code block of the component Comment Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. Impacted is integrity.

The weakness was released 11/20/2014 by Jouko Pynnonen as confirmed posting (Bugtraq). The advisory is shared for download at archives.neohapsis.com. This vulnerability is handled as CVE-2014-9031. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but an exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007. The following code is the reason for this vulnerability: 

$textarr = preg_split('/(<.*>|\[.*\])/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);

It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 83918 (Debian DLA-236-1 : wordpress security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13075 (WordPress Versions Prior to 3.9.3 Multiple Security Vulnerabilities).

Upgrading to version 4.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The vulnerability will be addressed with the following lines of code:

function wptexturize($text) {
   return $text; // ADD THIS LINE
   global $wp_cockneyreplace;

The vulnerability is also documented in the databases at X-Force (98896), Tenable (83918) and SecurityFocus (BID 71237†). Entries connected to this vulnerability are available at VDB-68272, VDB-68273, VDB-68274 and VDB-68275. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83918
Nessus Name: Debian DLA-236-1 : wordpress security update
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: WordPress 4.0.1

Timelineinfo

11/20/2014 🔍
11/20/2014 +0 days 🔍
11/20/2014 +0 days 🔍
11/21/2014 +1 days 🔍
11/24/2014 +3 days 🔍
06/02/2015 +189 days 🔍
04/24/2025 +3614 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: archives.neohapsis.com
Researcher: Jouko Pynnonen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9031 (🔍)
GCVE (CVE): GCVE-0-2014-9031
GCVE (VulDB): GCVE-100-68276
X-Force: 98896 - WordPress comment cross-site scripting, Medium Risk
SecurityFocus: 71237 - WordPress 'comment' Field HTML Injection Vulnerability
SecurityTracker: 1031243

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

Entryinfo

Created: 11/24/2014 10:58
Updated: 04/24/2025 02:36
Changes: 11/24/2014 10:58 (55), 07/06/2017 08:15 (1), 02/27/2022 09:16 (12), 06/07/2024 05:21 (19), 04/24/2025 02:36 (2)
Complete: 🔍
Cache ID: 216:128:103

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