CVE-2011-1579
MEDIUM severity · CVSS 5.8 · Improper input validation
5.8CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impactNone
Exploit probability (EPSS)2%
AV:N/AC:M/Au:N/C:P/I:P/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000096.htmlAdvisory
- http://secunia.com/advisories/44142Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058588.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058910.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059232.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059235.html
- http://openwall.com/lists/oss-security/2011/04/13/15
- http://www.debian.org/security/2011/dsa-2366