We have identified and fixed a cross-site scripting (XSS) vulnerability in the Confluence

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XSS vulnerabilities potentially allow an attacker to embed their own JavaScript into a Confluence page. You can read more about XSS attacks at various places on the web, including these:

• cgisecurity.com: http://www.cgisecurity.com/articles/xss-faq.shtml
• The Web Application Security Consortium: http://projects.webappsec.org/Cross-Site+Scripting

This issue is reported in our security advisory on this page:
http://confluence.atlassian.com/x/HgdrDQ