WordPress up to 4.2.3 Aliases 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 was found in WordPress up to 4.2.3 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Aliases Handler. Such manipulation leads to cross site scripting. This vulnerability is traded as CVE-2015-5734. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in WordPress up to 4.2.3 (Content Management System). Affected by this issue is an unknown code of the component Aliases Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.

The weakness was shared 08/04/2015 as WordPress 4.2.4 Security and Maintenance Release as confirmed release notes (Website). The advisory is available at wordpress.org. This vulnerability is handled as CVE-2015-5734 since 03/05/2015. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 85546 (Debian DLA-294-1 : 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 and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11552 (WordPress Prior to 4.2.4 Multiple Security Vulnerabilities).

Upgrading to version 4.2.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The release notes contains the following remark:

This release addresses six issues, including three cross-site scripting vulnerabilities and a potential SQL injection that could be used to compromise a site (...)

The vulnerability is also documented in the databases at Tenable (85546), SecurityFocus (BID 76331†), SecurityTracker (ID 1033178†) and Vulnerability Center (SBV-54651†). codex.wordpress.org is providing further details. The entries VDB-76800, VDB-76929, VDB-76933 and VDB-76932 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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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: 🔍
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Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 85546
Nessus Name: Debian DLA-294-1 : wordpress security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703332
OpenVAS Name: Debian Security Advisory DSA 3332-1 (wordpress - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: WordPress 4.2.4

Timelineinfo

03/05/2015 🔍
08/04/2015 +152 days 🔍
08/04/2015 +0 days 🔍
08/04/2015 +0 days 🔍
08/04/2015 +0 days 🔍
08/04/2015 +0 days 🔍
08/07/2015 +3 days 🔍
08/20/2015 +13 days 🔍
11/09/2015 +81 days 🔍
11/27/2015 +18 days 🔍
05/08/2018 +893 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: WordPress 4.2.4 Security and Maintenance Release
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5734 (🔍)
GCVE (CVE): GCVE-0-2015-5734
GCVE (VulDB): GCVE-100-76934

OVAL: 🔍

SecurityFocus: 76331 - WordPress Prior to 4.2.4 Multiple Security Vulnerabilities
SecurityTracker: 1033178
Vulnerability Center: 54651 - WordPress before 4.2.4 Remote XSS in the Legacy Theme Preview Implementation via a Crafted String, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 08/07/2015 10:11
Updated: 05/08/2018 09:14
Changes: 08/07/2015 10:11 (75), 05/08/2018 09:14 (9)
Complete: 🔍
Cache ID: 216:B0F:103

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