CVE-2016-4567

WordPress Core < 4.5.2 - Cross-Site Scripting via MediaElement.js

Severity Score

6.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via an obfuscated form of the jsinitfunction parameter, as demonstrated by "jsinitfunctio%gn."

Vulnerabilidad de XSS en flash/FlashMediaElement.as en MediaElement.js en versiones anteriores a 2.21.0, como se utiliza en WordPress en versiones anteriores a 4.5.2, permite a atacantes remotos inyectar secuencias de comandos web o HTML arbitrarios a través de un formulario ofuscado del parámetro jsinitfunction, como es demostrado por "jsinitfunctio%gn".

*Credits: Mario Heiderich,Masato Kinugawa,Filedescriptor

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-05-06 CVE Published
2016-05-07 CVE Reserved
2023-03-08 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (9)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2016/05/07/2	Mailing List
http://www.securitytracker.com/id/1035818	Third Party Advisory
https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9c	Third Party Advisory
https://wpvulndb.com/vulnerabilities/8488	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://codex.wordpress.org/Version_4.5.2	2016-12-02
https://core.trac.wordpress.org/changeset/37371	2016-12-02
https://github.com/johndyer/mediaelement/blob/master/changelog.md	2016-12-02
https://github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e	2016-12-02
https://wordpress.org/news/2016/05/wordpress-4-5-2	2016-12-02

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mediaelementjs Search vendor "Mediaelementjs"		Mediaelement.js Search vendor "Mediaelementjs" for product "Mediaelement.js"				<= 2.20.1 Search vendor "Mediaelementjs" for product "Mediaelement.js" and version " <= 2.20.1"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				<= 4.5.1 Search vendor "Wordpress" for product "Wordpress" and version " <= 4.5.1"		-		Affected