CVE-2021-40369

XSS vulnerability on Denounce plugin

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

Workaround:

  • Apache JSPWiki users should upgrade to 2.11.0 or later.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.19% Top 20%
Vendor Advisory apache.org Vendor Advisory apache.org
Affected: Apache Software Foundation Apache JSPWiki
Published at:
Updated at:

References

Link Tags
https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-40369 vendor advisory
https://lists.apache.org/thread/r2j00nrnpjgcmoxvlv3pgfoq9kzrcsfh vendor advisory
http://www.openwall.com/lists/oss-security/2022/08/03/3 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-40369?
CVE-2021-40369 has been scored as a medium severity vulnerability.
How to fix CVE-2021-40369?
As a workaround for remediating CVE-2021-40369: Apache JSPWiki users should upgrade to 2.11.0 or later.
Is CVE-2021-40369 being actively exploited in the wild?
It is possible that CVE-2021-40369 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-40369?
CVE-2021-40369 affects Apache Software Foundation Apache JSPWiki.
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