CVE-2021-42048

CVSS V2 None CVSS V3 Medium 4.8

Description

An issue was discovered in the Growth extension in MediaWiki through 1.36.2. Any admin can add arbitrary JavaScript code to the Newcomer home page footer, which can be executed by viewers with zero edits.

Overview

CVE ID
CVE-2021-42048

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2022-09-29T03:15:14

Last Modified Date
2022-09-30T16:42:35

Weakness Enumerations

CWE	URL
CWE-79	http://cwe.mitre.org/data/definitions/79.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:mediawiki:mediawiki::::::::	1	OR		1.36.2

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
HIGH

User Interaction
REQUIRED

Scope
CHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
4.8

Base Severity
MEDIUM

Exploitability Score
1.7

Impact Score
2.7

References

Reference URL	Reference Tags
https://gerrit.wikimedia.org/r/q/Iaa90a8976834d70caad592e9d1b18510318db537
https://phabricator.wikimedia.org/T289064
https://www.cve.org/CVERecord?id=CVE-2021-42048

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-42048
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42048

History

Created	Old Value	New Value	Data Type	Notes
2022-09-29 04:00:08				Added to TrackCVE
2022-12-07 05:12:14	2022-09-29T03:15Z	2022-09-29T03:15:14	CVE Published Date	updated
2022-12-07 05:12:14		2022-09-30T16:42:35	CVE Modified Date	updated
2022-12-07 05:12:14		Analyzed	Vulnerability Status	updated