CVE-2016-4566

WordPress Core < 4.5.2 - Cross-Site Scripting via plupload.flash.swf

Severity Score

6.1

*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 plupload.flash.swf in Plupload before 2.1.9, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via a Same-Origin Method Execution (SOME) attack.

Vulnerabilidad de XSS en plupload.flash.swf en Plupload en versiones anteriores a 2.1.9, 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 ataque Same-Origin Method Execution (SOME).

*Credits: Mario Heiderich,Masato Kinugawa,Filedescriptor

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
2024-08-06 CVE Updated
2025-03-30 EPSS 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 (8)

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/cure53/09a81530a44f6b8173f545accc9ed07e	Third Party Advisory
https://wpvulndb.com/vulnerabilities/8489	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/37382	2016-12-02
https://wordpress.org/news/2016/05/wordpress-4-5-2	2016-12-02

URL	Date	SRC
http://www.plupload.com/punbb/viewtopic.php?pid=28690	2016-12-02

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"				<= 4.5.1 Search vendor "Wordpress" for product "Wordpress" and version " <= 4.5.1"		-		Affected
Plupload Search vendor "Plupload"		Plupload Search vendor "Plupload" for product "Plupload"				<= 2.1.8 Search vendor "Plupload" for product "Plupload" and version " <= 2.1.8"		-		Affected