Description

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On Special:NewFiles, all the mediastatistics-header-* messages are output in HTML unescaped, leading to XSS.

Remediation

References

CVE-2021-30154

Related Vulnerabilities

ATutor Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2012-6528)

Apache HTTP Server Configuration Vulnerability (CVE-2009-1195)

mod_ssl Other Vulnerability (CVE-2004-0700)

MySQL CVE-2014-4207 Vulnerability (CVE-2014-4207)

WordPress Plugin Contact Form 7 Dynamic Text Extension Cross-Site Scripting (2.0.2.1)

Severity

Medium

Classification

CVE-2021-30154 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities