CVE-2011-1579

MediumCVSS 5.8/10Last modified Jun 16, 2026

Description

The checkCss function in includes/Sanitizer.php in the wikitext parser in MediaWiki before 1.16.3 does not properly validate Cascading Style Sheets (CSS) token sequences, which allows remote attackers to conduct cross-site scripting (XSS) attacks or obtain sensitive information by using the \2f\2a and \2a\2f hex strings to surround CSS comments.

Metrics

CVSS 2.0 5.8/10AV:N/AC:M/Au:N/C:P/I:P/A:N

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Apr 27, 2011
Last modified: Jun 16, 2026
NVD status: Modified

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