CVE-2021-42048

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-42048
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.

4.8 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://gerrit.wikimedia.org/r/q/Iaa90a8976834d70caad592e9d1b18510318db537 Patch Vendor Advisory
https://phabricator.wikimedia.org/T289064 Patch Vendor Advisory
https://gerrit.wikimedia.org/r/q/Iaa90a8976834d70caad592e9d1b18510318db537 Patch Vendor Advisory
https://phabricator.wikimedia.org/T289064 Patch Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
History

21 Nov 2024, 06:27

Type Values Removed Values Added
References () https://gerrit.wikimedia.org/r/q/Iaa90a8976834d70caad592e9d1b18510318db537 - Patch, Vendor Advisory () https://gerrit.wikimedia.org/r/q/Iaa90a8976834d70caad592e9d1b18510318db537 - Patch, Vendor Advisory
References () https://phabricator.wikimedia.org/T289064 - Patch, Vendor Advisory () https://phabricator.wikimedia.org/T289064 - Patch, Vendor Advisory
Information

Published : 2022-09-29 03:15

Updated : 2024-11-21 06:27

NVD link : CVE-2021-42048

Mitre link : CVE-2021-42048

CVE.ORG link : CVE-2021-42048

JSON object : View

Products Affected

mediawiki

  • mediawiki
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')