ikiwiki before 3.20110328 does not ascertain whether the htmlscrubber plugin is enabled during processing of the "meta stylesheet" directive, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via crafted Cascading Style Sheets (CSS) token sequences in (1) the default stylesheet or (2) an alternate stylesheet.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Required to exploit
Impact Type: Allows unauthorized modification
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