Email Subscribers / Newsletters Plugin up to 3.4.7 on WordPress HTTP POST User information disclosure

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
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Email Subscribers and Newsletters Plugin up to 3.4.7 on WordPress and classified as problematic. Affected by this vulnerability is an unknown functionality of the component HTTP POST Handler. Such manipulation with the input /?es=export leads to information disclosure (User). This vulnerability is listed as CVE-2018-6015. The attack may be performed from remote. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Email Subscribers and Newsletters Plugin up to 3.4.7 on WordPress (WordPress Plugin). It has been rated as problematic. Affected by this issue is an unknown code of the component HTTP POST Handler. The manipulation with the input value /?es=export leads to a information disclosure vulnerability (User). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

An issue was discovered in the "Email Subscribers & Newsletters" plugin before 3.4.8 for WordPress. Sending an HTTP POST request to a URI with /?es=export at the end, and adding option=view_all_subscribers in the body, allows downloading of a CSV data file with all subscriber data.

The bug was discovered 01/24/2018. The weakness was presented 01/26/2018 (Website). The advisory is shared for download at blog.threatpress.com. This vulnerability is handled as CVE-2018-6015 since 01/22/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1592.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.4.8 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (43872). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: User
Class: Information disclosure / User
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Email Subscribers / Newsletters Plugin 3.4.8

Timelineinfo

01/22/2018 🔍
01/24/2018 +2 days 🔍
01/26/2018 +2 days 🔍
01/26/2018 +0 days 🔍
01/27/2018 +1 days 🔍
12/29/2019 +701 days 🔍

Sourcesinfo

Advisory: blog.threatpress.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6015 (🔍)
GCVE (CVE): GCVE-0-2018-6015
GCVE (VulDB): GCVE-100-112508
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/27/2018 09:49
Updated: 12/29/2019 10:41
Changes: 01/27/2018 09:49 (63), 12/29/2019 10:41 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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