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.
Published: 2011-04-27
Score: 5.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2366-1 mediawiki security update
EUVD EUVD EUVD-2011-1580 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.
History

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Subscriptions

Mediawiki Mediawiki
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T22:28:41.908Z

Reserved: 2011-04-05T00:00:00.000Z

Link: CVE-2011-1579

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2011-04-27T00:55:04.600

Modified: 2025-04-11T00:51:21.963

Link: CVE-2011-1579

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses