Description

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.

Remediation

References

CVE-2013-4567

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Severity

Medium

Classification

CVE-2013-4567

Tags

Missing Update Known Vulnerabilities