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.
2013-12-13T18:07:54.093
2025-04-11T00:51:21.963
Deferred
CVSSv2: 4.3 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mediawiki | mediawiki | 1.20 | Yes |
Application | mediawiki | mediawiki | 1.20.1 | Yes |
Application | mediawiki | mediawiki | 1.20.2 | Yes |
Application | mediawiki | mediawiki | 1.20.3 | Yes |
Application | mediawiki | mediawiki | 1.20.4 | Yes |
Application | mediawiki | mediawiki | 1.20.5 | Yes |
Application | mediawiki | mediawiki | 1.20.6 | Yes |
Application | mediawiki | mediawiki | 1.20.7 | Yes |
Application | mediawiki | mediawiki | 1.21 | Yes |
Application | mediawiki | mediawiki | 1.21.1 | Yes |
Application | mediawiki | mediawiki | 1.21.2 | Yes |
Application | mediawiki | mediawiki | ≤ 1.19.8 | Yes |
Application | mediawiki | mediawiki | 1.19 | Yes |
Application | mediawiki | mediawiki | 1.19 | Yes |
Application | mediawiki | mediawiki | 1.19 | Yes |
Application | mediawiki | mediawiki | 1.19.0 | Yes |
Application | mediawiki | mediawiki | 1.19.1 | Yes |
Application | mediawiki | mediawiki | 1.19.2 | Yes |
Application | mediawiki | mediawiki | 1.19.3 | Yes |
Application | mediawiki | mediawiki | 1.19.4 | Yes |
Application | mediawiki | mediawiki | 1.19.5 | Yes |
Application | mediawiki | mediawiki | 1.19.6 | Yes |
Application | mediawiki | mediawiki | 1.19.7 | Yes |