Unscored severity · published Apr 27, 2011
CVE-2011-1579
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…
–
CVSS
1.9%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
through 1.16.2; 1.1.0; 1.2.0; 1.2.1; 1.2.2; 1.2.3; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-1579
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-1579
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058588.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058910.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059232.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059235.html
Vendor Advisory
http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000096.html
openwall.com
http://openwall.com/lists/oss-security/2011/04/13/15
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