MailChimp Module 3.1.5/4.0.10 on WordPress /wp-admin/admin.php integration Reflected cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in MailChimp Module 3.1.5/4.0.10 on WordPress. This impacts an unknown function of the file /wp-admin/admin.php. The manipulation of the argument integration with the input %3Cscript%3Ealert%281%29%3C%2Fscript%3E results in cross site scripting (Reflected). The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in MailChimp Module 3.1.5/4.0.10 on WordPress (WordPress Plugin). Affected is an unknown code block of the file /wp-admin/admin.php. The manipulation of the argument integration with the input value %3Cscript%3Ealert%281%29%3C%2Fscript%3E leads to a cross site scripting vulnerability (Reflected). CWE is classifying the issue as 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. This is going to have an impact on confidentiality, and integrity.

The bug was discovered 03/23/2016. The weakness was shared 12/13/2016 by Tom Adams as Reflected XSS in MailChimp for WordPress could allow an attacker to do almost anything an admin user can (WordPress plugin) as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. 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 are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 261 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:wp-admin/admin.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 4.0.11 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.4
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Researcher Base Score: 🔍

Exploitinginfo

Name: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Upgrade: MailChimp Module 4.0.11

Timelineinfo

03/23/2016 🔍
12/07/2016 +259 days 🔍
12/07/2016 +0 days 🔍
12/09/2016 +2 days 🔍
12/13/2016 +4 days 🔍
12/16/2016 +3 days 🔍
07/09/2019 +935 days 🔍

Sourcesinfo

Advisory: Reflected XSS in MailChimp for WordPress could allow an attacker to do almost anything an admin user can (WordPress plugin)
Researcher: Tom Adams
Status: Not defined

GCVE (VulDB): GCVE-100-94554

Entryinfo

Created: 12/16/2016 15:56
Updated: 07/09/2019 12:33
Changes: 12/16/2016 15:56 (55), 07/09/2019 12:33 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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