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

SharePoint Out-of-bounds Write Vulnerability (CVE-2014-1761)

Opencart Improper Restriction of XML External Entity Reference Vulnerability (CVE-2014-3990)

WordPress Plugin Contact Form by ContactMe.com Cross-Site Scripting (2.3)

MySQL CVE-2018-2759 Vulnerability (CVE-2018-2759)

WordPress Plugin AVH Extended Categories Widgets SQL Injection (4.0.0)

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