CVE-2021-44856

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A title blocked by AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of the EditFilterMergedContent hook return value.

Se descubrió un problema en MediaWiki antes de 1.35.5, 1.36.x antes de 1.36.3 y 1.37.x antes de 1.37.1. Se puede crear un título bloqueado por AbuseFilter a través de Special:ChangeContentModel debido al mal manejo del valor de retorno del gancho EditFilterMergedContent.

*Credits: N/A

CVSS Scores

NISTv3.1 5.3

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-13 CVE Reserved
2022-12-26 CVE Published
2024-07-18 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-754: Improper Check for Unusual or Exceptional Conditions

CAPEC

References (2)

URL	Tag	Source
https://security.gentoo.org/glsa/202305-24

URL	Date	SRC

URL	Date	SRC
https://phabricator.wikimedia.org/T271037	2023-05-21

URL	Date	SRC

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"				< 1.35.5 Search vendor "Mediawiki" for product "Mediawiki" and version " < 1.35.5"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				>= 1.36.0 < 1.36.3 Search vendor "Mediawiki" for product "Mediawiki" and version " >= 1.36.0 < 1.36.3"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.37.0 Search vendor "Mediawiki" for product "Mediawiki" and version "1.37.0"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.37.0 Search vendor "Mediawiki" for product "Mediawiki" and version "1.37.0"		rc0		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.37.0 Search vendor "Mediawiki" for product "Mediawiki" and version "1.37.0"		rc1		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.37.0 Search vendor "Mediawiki" for product "Mediawiki" and version "1.37.0"		rc2		Affected