MediaWiki unspecified handler cross-site scripting

mediawiki-unspecified-handler-xss (26646) The risk level is classified as MediumMedium Risk

Description:

MediaWiki is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by unspecified scripts. A remote attacker could exploit this vulnerability using the variable handler to execute script in a victim's Web browser within the security context of the hosting Web site, allowing the attacker to steal the victim's cookie-based authentication credentials.


Consequences:

Gain Access

Remedy:

Upgrade to the latest version of MediaWiki (1.6.6 or later), available from the MediaWiki Download Web page. See References.

References:

  • MediaWiki Download Web page: Download - Mediawiki.
  • Wikimedia Bugzilla Bug 6055: Javascript Security Exploit.
  • CVE-2006-2611: Cross-site scripting (XSS) vulnerability in includes/Sanitizer.php in the variable handler in MediaWiki 1.6.x before r14349 allows remote attackers to inject arbitrary Javascript via unspecified vectors, possibly involving the usage of the | (pipe) character.
  • OSVDB ID: 25713: MediaWiki Parser Unspecified XSS
  • SA20189: MediaWiki Script Insertion Vulnerabilities
  • VUPEN/ADV-2006-1926: MediaWiki Unspecified Parameter Handling Cross Site Scripting Vulnerabilities

Platforms Affected:

  • Wikimedia Foundation MediaWiki 1.6 prior to 1.6.6

Reported:

May 23, 2006

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For corrections or additions please email xforce@iss.net

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