VULNERABILITY INTELLIGENCE

CVE-2021-42048

CVSS score4.8 MEDIUM
EPSS probability0.66%
CISA KEVNot currently listed
Published2022-09-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-79

Primary references