CVE-2013-4568

Debian Security Advisory 2891-3

Severity Score

6.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression" containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer.

Vulnerabilidad de blacklist incompleta en Sanitizer::checkCss en MediaWiki anteriores a 1.19.9, 1.20.8, y 1.21.x (anteriores a 1.21.3) permite a atacantes remotos conducir ataques de cross-site scripting (XSS) a través de ciertos caracteres no-ASCII en CSS, como fue demostrado utilizando variaciones de "expresion" que contienen (1) caracteres de ancho total o (2) extensiones IPA, las cuales son convertidas y renderizadas por Internet Explorer.

Kevin Israel identified and reported two vectors for injecting Javascript in CSS that bypassed MediaWiki's blacklist. Internal review while debugging a site issue discovered that MediaWiki and the CentralNotice extension were incorrectly setting cache headers when a user was autocreated, causing the user's session cookies to be cached, and returned to other users.

*Credits: N/A

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

2013-06-12 CVE Reserved
2013-12-13 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (8)

URL	Tag	Source
http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html	Mailing List
http://secunia.com/advisories/57472	Third Party Advisory
http://www.securityfocus.com/bid/63761	Vdb Entry
https://bugzilla.wikimedia.org/attachment.cgi?id=13452&action=diff	X_refsource_misc
https://bugzilla.wikimedia.org/show_bug.cgi?id=55332	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html	2016-12-31
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html	2016-12-31
http://www.debian.org/security/2014/dsa-2891	2016-12-31

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.20 Search vendor "Mediawiki" for product "Mediawiki" and version "1.20"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.20.1 Search vendor "Mediawiki" for product "Mediawiki" and version "1.20.1"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.20.2 Search vendor "Mediawiki" for product "Mediawiki" and version "1.20.2"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.20.3 Search vendor "Mediawiki" for product "Mediawiki" and version "1.20.3"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.20.4 Search vendor "Mediawiki" for product "Mediawiki" and version "1.20.4"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.20.5 Search vendor "Mediawiki" for product "Mediawiki" and version "1.20.5"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.20.6 Search vendor "Mediawiki" for product "Mediawiki" and version "1.20.6"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.20.7 Search vendor "Mediawiki" for product "Mediawiki" and version "1.20.7"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.21 Search vendor "Mediawiki" for product "Mediawiki" and version "1.21"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.21.1 Search vendor "Mediawiki" for product "Mediawiki" and version "1.21.1"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.21.2 Search vendor "Mediawiki" for product "Mediawiki" and version "1.21.2"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				<= 1.19.8 Search vendor "Mediawiki" for product "Mediawiki" and version " <= 1.19.8"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19"		beta_1		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19"		beta_2		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19.0 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19.0"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19.1 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19.1"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19.2 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19.2"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19.3 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19.3"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19.4 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19.4"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19.5 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19.5"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19.6 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19.6"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.19.7 Search vendor "Mediawiki" for product "Mediawiki" and version "1.19.7"		-		Affected