CVE-2023-34464

Summary

CVE-2023-34464 is a stored cross-site scripting (XSS) vulnerability affecting the XWiki Platform. This issue, which exists in versions 2.2.1 to 14.4.7, 14.10.4, and 15.1RC1 of org.xwiki.platform:xwiki-platform-web and org.xwiki.platform:xwiki-platform-web-templates, allows any user who can edit a document to inject plain HTML code. By tricking another user to visit the document using the `displaycontent` or `rendercontent` template and plain output syntax, attackers can execute arbitrary actions with the targeted user's rights, posing significant risks to the confidentiality, integrity, and availability of the entire XWiki installation. The vulnerability has been addressed in XWiki 14.4.8, 14.10.5, and 15.1RC1 through setting the content type of the response to plain text when the output syntax is not an HTML syntax.

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