Description
A carefully crafted plugin link invocation could trigger an XSS vulnerability on Apache JSPWiki, related to the Denounce plugin, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Apache JSPWiki users should upgrade to 2.11.0 or later.
Remediation
References
http://www.openwall.com/lists/oss-security/2022/08/03/3
https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-40369
https://lists.apache.org/thread/r2j00nrnpjgcmoxvlv3pgfoq9kzrcsfh
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