WordPress up to 4.9.4 Login Page redirect

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.
6.0$0-$5k0.04

A vulnerability was found in WordPress up to 4.9.4 (Content Management System). It has been rated as critical. This issue affects an unknown code of the component Login Page. The manipulation with an unknown input leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Before WordPress 4.9.5, the redirection URL for the login page was not validated or sanitized if forced to use HTTPS.

The bug was discovered 04/03/2018. The weakness was published 04/16/2018 (Website). The advisory is shared at codex.wordpress.org. The identification of this vulnerability is CVE-2018-10100 since 04/14/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1204.001 for this issue. The following code is the reason for this vulnerability: 

wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 109407 (Debian DLA-1366-1 : 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 154005 (WordPress Prior to 4.9.5 Multiple Security Vulnerabilities).

Upgrading to version 3.7.26, 3.8.26, 3.9.24, 4.0.23, 4.1.23, 4.2.20, 4.3.16, 4.4.15, 4.5.14, 4.6.11, 4.7.10, 4.8.6 or 4.9.5 eliminates this vulnerability. The upgrade is hosted for download at github.com. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability. The vulnerability will be addressed with the following lines of code:

wp_safe_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );

The vulnerability is also documented in the vulnerability database at Tenable (109407). Similar entries are available at 116226 and 116227.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
ATT&CK: T1204.001

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 109407
Nessus Name: Debian DLA-1366-1 : wordpress security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52392
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1366-1] wordpress security update)
OpenVAS File: 🔍
OpenVAS 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 3.7.26/3.8.26/3.9.24/4.0.23/4.1.23/4.2.20/4.3.16/4.4.15/4.5.14/4.6.11/4.7.10/4.8.6/4.9.5
Patch: github.com

Timelineinfo

04/03/2018 🔍
04/14/2018 +11 days 🔍
04/16/2018 +1 days 🔍
04/16/2018 +0 days 🔍
04/16/2018 +0 days 🔍
04/16/2018 +0 days 🔍
04/27/2018 +11 days 🔍
04/30/2018 +3 days 🔍
02/28/2023 +1765 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: 42892
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10100 (🔍)
OVAL: 🔍

SecurityTracker: 1040836
SecurityFocus: 104297 - WordPress CVE-2018-10100 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 04/16/2018 16:02
Updated: 02/28/2023 09:10
Changes: 04/16/2018 16:02 (82), 06/07/2020 16:03 (4), 02/10/2021 07:48 (4), 02/28/2023 09:10 (2)
Complete: 🔍

Discussion

liuneng (+0)
6 years ago
I want buy this vul,how connect you?
my email :asean_xpo@outlook.com

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!