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

PHP Resource Management Errors Vulnerability (CVE-2010-1917)

WordPress Plugin BetterDocs-Best Documentation & Knowledge Base Cross-Site Scripting (1.8.4)

WordPress Plugin WordPress File Upload Directory Traversal (4.12.2)

TYPO3 Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-4901)

WordPress 4.2.x Multiple Vulnerabilities (4.2 - 4.2.23)

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