| Package | Affected versions | Patched versions |
|---|---|---|
| mediawiki | = 1.1.0= 1.10.0= 1.10.1= 1.10.2= 1.10.3= 1.10.4= 1.11= 1.11.0= 1.11.1= 1.11.2= 1.12.0= 1.12.1= 1.12.2= 1.12.3= 1.12.4= 1.13.0= 1.13.1= 1.13.2= 1.13.3= 1.13.4= 1.14.0= 1.14.1= 1.15.0= 1.15.1= 1.15.2= 1.15.3= 1.15.4= 1.15.5= 1.16.0= 1.16.1= 1.2.0= 1.2.1= 1.2.2= 1.2.3= 1.2.4= 1.2.5= 1.2.6= 1.3= 1.3.0= 1.3.1= 1.3.10= 1.3.11= 1.3.12= 1.3.13= 1.3.14= 1.3.15= 1.3.2= 1.3.3= 1.3.4= 1.3.5= 1.3.6= 1.3.7= 1.3.8= 1.3.9= 1.4= 1.4.0= 1.4.1= 1.4.10= 1.4.11= 1.4.12= 1.4.13= 1.4.14= 1.4.2= 1.4.3= 1.4.4= 1.4.5= 1.4.6= 1.4.7= 1.4.8= 1.4.9= 1.5= 1.5.0= 1.5.1= 1.5.2= 1.5.3= 1.5.4= 1.5.5= 1.5.6= 1.5.7= 1.5.8= 1.6.0= 1.6.1= 1.6.10= 1.6.11= 1.6.12= 1.6.2= 1.6.3= 1.6.4= 1.6.5= 1.6.6= 1.6.7= 1.6.8= 1.6.9= 1.7.0= 1.7.1= 1.7.2= 1.7.3= 1.8.0= 1.8.1= 1.8.2= 1.8.3= 1.8.4= 1.8.5= 1.9.0= 1.9.1= 1.9.2= 1.9.3= 1.9.4= 1.9.5= 1.9.6≤ 1.16.2 |
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.
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