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

WordPress Plugin Insert or Embed Articulate Content into WordPress Arbitrary File Upload (4.3000000023)

WordPress Plugin Citizen Space Cross-Site Scripting (1.0)

WordPress Plugin Menu Swapper Cross-Site Request Forgery (1.1.0.2)

Python Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2014-1912)

Jenkins Deserialization of Untrusted Data Vulnerability (CVE-2022-0538)

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