There is was error when rendering nested types of markup. In specially crafted cases, this could be used to create XSS vulnerabilities on pages that render wiki markup.
- older than 4.5.1
- 4.5.1 and higher
- 4.6.0 and higher
For more information see https://jira.atlassian.com/browse/RNDR-153 (currently restricted to atlassian staff).