CVE-2016-5839

WordPress Core < 4.5.3 - Bypass sanitize_file_name Protection

Severity Score

7.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

WordPress before 4.5.3 allows remote attackers to bypass the sanitize_file_name protection mechanism via unspecified vectors.

WordPress en versiones anteriores a 4.5.3 permite a atacantes remotos eludir el mecanismo de protección sanitize_file_name a través de vectores no especificados.

Several vulnerabilities were discovered in wordpress, a web blogging tool, which could allow remote attackers to compromise a site via cross-site scripting, bypass restrictions, obtain sensitive revision-history information, or mount a denial of service.

*Credits: Peter Westwood

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-06-18 CVE Published
2016-06-23 CVE Reserved
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

References (5)

URL	Tag	Source
http://www.securityfocus.com/bid/91364	Vdb Entry
http://www.securitytracker.com/id/1036163	Third Party Advisory
https://codex.wordpress.org/Version_4.5.3	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://www.debian.org/security/2016/dsa-3639	2016-11-28
https://wordpress.org/news/2016/06/wordpress-4-5-3	2016-11-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				<= 4.5.2 Search vendor "Wordpress" for product "Wordpress" and version " <= 4.5.2"		-		Affected