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.

Remediation

References

CVE-2021-42048

Related Vulnerabilities

Oracle JRE CVE-2020-2800 Vulnerability (CVE-2020-2800)

ColdFusion 8 FCKEditor file upload vulnerability

WordPress Plugin Booking Package-Appointment Booking Calendar System Cross-Site Scripting (1.5.10)

WordPress Plugin Wrapper Link Elementor Malicious Code (1.0.3)

Magento Improper Input Validation Vulnerability (CVE-2021-28585)

Severity

Medium

Classification

CVE-2021-42048 CWE-707 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities