CVE-2021-42048

MediumCVSS 4.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 29, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-42048: Medium severity, CVSS 4.8 | Vulnix