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.
7.2	$0-$5k	0.00

A vulnerability has been found in WordPress 4.5.2 (Content Management System) and classified as critical. Affected by this vulnerability is an unknown part of the component Password Handler. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

WordPress before 4.5.3 allows remote attackers to bypass intended password-change restrictions by leveraging knowledge of a cookie.

The weakness was published 06/18/2016 by Security Team with WordPress Security Team as WordPress 4.5.3 Maintenance and Security Release as confirmed news (Website). The advisory is shared at wordpress.org. The public release has been coordinated with the project team. This vulnerability is known as CVE-2016-5838 since 06/23/2016. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue. The advisory points out:

WordPress versions 4.5.2 and earlier are affected by several security issues (...)

The vulnerability scanner Nessus provides a plugin with the ID 91840 (FreeBSD : wordpress -- multiple vulnerabilities (bfcc23b6-3b27-11e6-8e82-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175805 (Debian Security Update for wordpress (DSA 3639-1)).

Upgrading to version 4.5.3 eliminates this vulnerability. The upgrade is hosted for download at wordpress.org. A possible mitigation has been published immediately after the disclosure of the vulnerability. The news contains the following remark:

In addition to the security issues above, WordPress 4.5.3 fixes 17 bugs from 4.5, 4.5.1 and 4.5.2.

The vulnerability is also documented in the vulnerability database at Tenable (91840). Similar entries are available at 87564, 88099, 88100 and 88101.

Productinfo

Type

• Content Management System

Name

• WordPress

Version

• 4.5.2

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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

Class: Credentials management
CWE: CWE-255
ATT&CK: T1552

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 91840
Nessus Name: FreeBSD : wordpress -- multiple vulnerabilities (bfcc23b6-3b27-11e6-8e82-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 100087
OpenVAS Name: Fedora Update for wordpress FEDORA-2016-7db496f6f2
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 4.5.3

Timelineinfo

06/18/2016 🔍
06/18/2016 +0 days 🔍
06/18/2016 +0 days 🔍
06/23/2016 +5 days 🔍
06/23/2016 +0 days 🔍
06/24/2016 +1 days 🔍
06/27/2016 +3 days 🔍
06/29/2016 +2 days 🔍
05/08/2019 +1043 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: WordPress 4.5.3 Maintenance and Security Release
Researcher: Security Team
Organization: WordPress Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2016-5838 (🔍)
OVAL: 🔍

SecurityTracker: 1036163
SecurityFocus: 91367 - WordPress 'Password Change' Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 06/24/2016 10:52
Updated: 05/08/2019 13:07
Changes: 06/24/2016 10:52 (76), 05/08/2019 13:07 (15)
Complete: 🔍

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