Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of expression containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mediawiki | Mediawiki | 1.20 (including) | 1.20 (including) |
| Mediawiki | Mediawiki | 1.20.1 (including) | 1.20.1 (including) |
| Mediawiki | Mediawiki | 1.20.2 (including) | 1.20.2 (including) |
| Mediawiki | Mediawiki | 1.20.3 (including) | 1.20.3 (including) |
| Mediawiki | Mediawiki | 1.20.4 (including) | 1.20.4 (including) |
| Mediawiki | Mediawiki | 1.20.5 (including) | 1.20.5 (including) |
| Mediawiki | Mediawiki | 1.20.6 (including) | 1.20.6 (including) |
| Mediawiki | Mediawiki | 1.20.7 (including) | 1.20.7 (including) |
| Mediawiki | Ubuntu | lucid | * |
| Mediawiki | Ubuntu | precise | * |
| Mediawiki | Ubuntu | quantal | * |
| Mediawiki | Ubuntu | raring | * |
| Mediawiki | Ubuntu | saucy | * |
| Mediawiki | Ubuntu | upstream | * |