CVE Vulnerability

CVE-2020-35622

An issue was discovered in the GlobalUsage extension for MediaWiki through 1.35.1. SpecialGlobalUsage.php calls WikiMap::makeForeignLink unsafely. The $page variable within the formatItem function was not being properly escaped, allowing for XSS under certain conditions.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://phabricator.wikimedia.org/T268341 Third Party Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744 Issue Tracking Patch
Configurations

Configuration 1

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Information

Published : 2020-12-21 11:15

Updated : 2020-12-22 05:50

NVD link : CVE-2020-35622

Mitre link : CVE-2020-35622

Products Affected
No products.
CWE
CWE-79