VULNERABILITY INTELLIGENCE

CVE-2011-4361

CVSS score5 MEDIUM
EPSS probability2.23%
CISA KEVNot currently listed
Published2012-01-08
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:N/A:N

Description

MediaWiki before 1.17.1 does not check for read permission before handling action=ajax requests, which allows remote attackers to obtain sensitive information by (1) leveraging the SpecialUpload::ajaxGetExistsWarning function, or by (2) leveraging an extension, as demonstrated by the CategoryTree, ExtTab, and InlineEditor extensions.

Weakness classification

  • CWE-276: Incorrect Default Permissions

Primary references