CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
EPSS
Percentile
50.0%
The (1) Special:Preferences and (2) Special:UserLogin pages in MediaWiki
before 1.19.20, 1.22.x before 1.22.12 and 1.23.x before 1.23.5 allows
remote authenticated users to conduct cross-site scripting (XSS) attacks or
have unspecified other impact via crafted CSS, as demonstrated by modifying
MediaWiki:Common.css.