Invite Anyone Plugin up to 1.3.14 on WordPress Subject/Body by-email/by-email.php Social Engineering input validation

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Invite Anyone Plugin up to 1.3.14 on WordPress. This issue affects some unknown processing of the file by-email/by-email.php of the component Subject/Body Handler. Performing a manipulation results in input validation (Social Engineering). This vulnerability was named CVE-2017-6955. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Invite Anyone Plugin up to 1.3.14 on WordPress (WordPress Plugin). It has been classified as critical. This affects some unknown processing of the file by-email/by-email.php of the component Subject/Body Handler. The manipulation with an unknown input leads to a input validation vulnerability (Social Engineering). CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

An issue was discovered in by-email/by-email.php in the Invite Anyone plugin before 1.3.15 for WordPress. A user is able to change the subject and the body of the invitation mail that should be immutable, which facilitates a social engineering attack.

The bug was discovered 03/17/2017. The weakness was presented 03/17/2017 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2017-6955 since 03/17/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

By approaching the search of inurl:by-email/by-email.php it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11782 (Wordpress Invite Anyone Plugin "by-email.php" Session Management Security Bypass Vulnerability).

Upgrading to version 1.3.15 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 96965†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Invite Anyone Plugin

Version

• 1.3.0
• 1.3.1
• 1.3.2
• 1.3.3
• 1.3.4
• 1.3.5
• 1.3.6
• 1.3.7
• 1.3.8
• 1.3.9
• 1.3.10
• 1.3.11
• 1.3.12
• 1.3.13
• 1.3.14

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Social Engineering
Class: Input validation / Social Engineering
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Invite Anyone Plugin 1.3.15

Timelineinfo

03/17/2017 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
08/25/2024 +2717 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6955 (🔍)
GCVE (CVE): GCVE-0-2017-6955
GCVE (VulDB): GCVE-100-98223
SecurityFocus: 96965 - Wordpress Anyone Plugin 'by-email.php' Session Management Security Bypass Vulnerability
OSVDB: - CVE-2017-6955 - Invite Anyone - Security Bypass Issue

Entryinfo

Created: 03/17/2017 13:08
Updated: 08/25/2024 00:31
Changes: 03/17/2017 13:08 (63), 09/09/2020 14:59 (5), 08/25/2024 00:31 (20)
Complete: 🔍
Cache ID: 216:5AD:103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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