CVE-2022-27166: XSS vulnerability on XHRHtml2Markup.jsp in JSPWiki 2.11.2

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 86.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-04 · updated 2026-06-17
Weakness: CWE-79

Description

A carefully crafted request on XHRHtml2Markup.jsp could trigger an XSS vulnerability on Apache JSPWiki up to and including 2.11.2, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim.

Affected products

Apache Software Foundation Apache JSPWiki: before 2.11.3 — fixed in 2.11.3

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache JSPWiki 2.11.3. Check the vendor advisory for mitigations.

References

https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2022-28732
https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2022-28732

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