Description

In MediaWiki before 1.35.1, the combination of Html::rawElement and Message::text leads to XSS because the definition of MediaWiki:recentchanges-legend-watchlistexpiry can be changed onwiki so that the output is raw HTML.

Remediation

References

CVE-2020-35474

Related Vulnerabilities

TYPO3 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2015-8759)

MySQL CVE-2016-3521 Vulnerability (CVE-2016-3521)

Oracle Application Server CVE-2010-0066 Vulnerability (CVE-2010-0066)

WordPress Plugin Age Gate Security Bypass (2.17.0)

IBM RTC Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2018-1606)

Severity

Medium

Classification

CVE-2020-35474 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