6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
7.2 High
AI Score
Confidence
Low
0.004 Low
EPSS
Percentile
72.7%
Cross-site request forgery (CSRF) vulnerability in api/ApiQueryCheckUser.php in the CheckUser extension for MediaWiki, possibly Checkuser before 2.3, allows remote attackers to hijack the authentication of arbitrary users for requests that “perform sensitive write actions” via unspecified vectors.
lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
osvdb.org/96908
seclists.org/oss-sec/2013/q3/553
www.securityfocus.com/bid/62210
bugzilla.wikimedia.org/show_bug.cgi?id=45019
exchange.xforce.ibmcloud.com/vulnerabilities/86893
git.wikimedia.org/commit/mediawiki%2Fextensions%2FCheckUser.git/99ad25d066ce6111e798427cba7f21526827f651