Which products and versions are affected by CVE-2022-27166?

Affected: Jspwiki (Apache) versions >= Apache JSPWiki; org.apache.jspwiki:jspwiki-main (maven). The full list is in the CVE brief.

Is CVE-2022-27166 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2022-27166 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2022-27166?

No public exploit code is known.

Is there a fix for CVE-2022-27166?

Fixed versions are available, including Jspwiki 2.11.3, org.apache.jspwiki:jspwiki-main 2.11.3.

How urgently should CVE-2022-27166 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2022-27166

Medium

Apache JSPWiki XSS due to crafted request on XHRHtml2Markup.jsp

Published Aug 5, 2022 · Updated Sep 18, 2026 · Also known as GHSA-2fxf-qj94-3f83

Key Facts

Patch immediately

CVE-2022-27166 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting Jspwiki (Apache), org.apache.jspwiki:jspwiki-main (maven).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 86% probability of exploitation in the next 30 days.
Fixed versions are available, including Jspwiki 2.11.3, org.apache.jspwiki:jspwiki-main 2.11.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

6.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS (30-day exploit likelihood)

86%

Higher than 99.7% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2022-27166 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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

3 affected entries in total

Product	Affected versions	Fixed in
JspwikiApache	>= Apache JSPWiki	2.11.3
org.apache.jspwiki:jspwiki-mainmaven	See advisory	2.11.3

Patched Releases

Jspwiki

2.11.3

org.apache.jspwiki:jspwiki-main

2.11.3

Timeline

Publicly disclosed
Aug 5, 2022
Last updated
Sep 18, 2026

Weakness Type

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

10 more references in the full CVE brief

FAQ

Common Questions.

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: Jspwiki (Apache) versions >= Apache JSPWiki; org.apache.jspwiki:jspwiki-main (maven). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Jspwiki 2.11.3, org.apache.jspwiki:jspwiki-main 2.11.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2022-27166 Running On Your Attack Surface?

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