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MitreCVE-2021-45473

HistoryDec 24, 2021 - 2:15 a.m.

CVE-2021-45473

2021-12-2402:15:07

CWE-79

mitre

web.nvd.nist.gov

mediawiki

xss

vulnerability

action=info

url

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

Confidence

High

EPSS

0.001

Percentile

38.4%

JSON

In MediaWiki through 1.37, Wikibase item descriptions allow XSS, which is triggered upon a visit to an action=info URL (aka a page-information sidebar).

Affected configurations

Nvd

Node

mediawikimediawikiRange≤1.3.7

Node

fedoraprojectfedoraMatch35

VendorProductVersionCPE
mediawikimediawiki*cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*