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

phpMyAdmin Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2016-6615)

Joomla Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2019-19845)

WordPress Plugin Bloom eMail Opt-In Security Bypass (1.1)

XWikiplatform Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2024-41947)

WordPress Plugin Boozang Cross-Site Scripting (1.1)

Severity

Medium

Classification

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

Tags

Missing Update Known Vulnerabilities CWE-707 CVE-2021-42048