A carefully crafted malicious attachment could trigger an XSS vulnerability on Apache JSPWiki 2.9.0 to 2.11.0.M3, which could lead to session hijacking.

A carefully crafted InterWiki link could trigger an XSS vulnerability on Apache JSPWiki 2.9.0 to 2.11.0.M3, which could lead to session hijacking.

A carefully crafted plugin link invocation could trigger an XSS vulnerability on Apache JSPWiki 2.9.0 to 2.11.0.M3, which could lead to session hijacking. Initial reporting indicated ReferredPagesPlugin, but further analysis showed that multiple plugins were vulnerable.

In Apache JSPWiki 2.9.0 to 2.11.0.M2, a carefully crafted URL could execute javascript on another user's session. No information could be saved on the server or jspwiki database, nor would an attacker be able to execute js on someone else's browser; only on its own browser.