MediaWiki: Multiple vulnerabilities
Gentoo Linux Security Advisory
||GLSA 200502-33 / mediawiki
||February 28, 2005
||February 28, 2005: 01
All supported architectures
MediaWiki is vulnerable to cross-site scripting, data manipulation and
security bypass attacks.
MediaWiki is a collaborative editing software, used by big
projects like Wikipedia.
A security audit of the MediaWiki project discovered that
MediaWiki is vulnerable to several cross-site scripting and cross-site
request forgery attacks, and that the image deletion code does not
sufficiently sanitize input parameters.
By tricking a user to load a carefully crafted URL, a remote
attacker could hijack sessions and authentication cookies to inject
malicious script code that will be executed in a user's browser session
perform restricted actions. Using the image deletion flaw, it is also
possible for authenticated administrators to delete arbitrary files via
There is no known workaround at this time.
All MediaWiki users should upgrade to the latest available
Code Listing 3.1: Resolution
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.3.11"