PT-2014-9149 · Wikimedia · Mediawiki
Publicado
2014-12-26
·
Atualizado
2014-12-26
Nenhuma
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Name of the Vulnerable Software and Affected Versions
MediaWiki versions prior to 1.23.8
Description
The issue affects MediaWiki, where thumb.php outputs wikitext messages as raw HTML, potentially leading to cross-site scripting. Exploitation requires permission to edit the MediaWiki namespace. Additionally, a malicious site can bypass CORS restrictions in API calls by including an allowed domain as part of its name, circumventing the $wgCrossSiteAJAXdomains setting.
Recommendations
For versions prior to 1.23.8, update to version 1.23.8 or later to resolve the issue. As a temporary workaround, consider restricting access to the MediaWiki namespace to minimize the risk of exploitation. Additionally, review and restrict the $wgCrossSiteAJAXdomains setting to prevent bypassing of CORS restrictions.
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Identificadores relacionados
Produtos afetados
Mediawiki