CVE-2026-40105

MEDIUM NUCLEI

XWiki has Reflected Cross-Site Scripting (XSS) in its page history compare functionality

Title source: cna
STIX 2.1

Exploitation Summary

CVE-2026-40105 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Versions 10.4-rc-1, through 16.10.15, 17.0.0-rc-1, through 17.4.7 and 17.5.0-rc-1 through 17.10.0 contain a reflected cross-site scripting vulnerability (XSS) in the comparison view between revisions of a page allows executing JavaScript code in the user's browser. If the current user is an admin, this can not only affect the current user but also the confidentiality, integrity and availability of the whole XWiki instance. If developers are unable to update immediately, they can apply the patch manually to templates/changesdoc.vm in the deployed WAR.

Nuclei Templates (1)

XWiki - Cross-Site Scripting
MEDIUMVERIFIEDby ritikchaddha
Shodan: http.title:"XWiki"

References (3)

Core 3

Scores

CVSS v3 6.1
EPSS 0.0133
EPSS Percentile 80.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-80
Status published
Products (5)
org.xwiki.platform/xwiki-platform-web-templates 10.4-rc-1 - 16.10.16Maven
xwiki/xwiki 10.4 - 16.10.16
xwiki/xwiki-platform >= 10.4-rc-1, < 16.10.16
xwiki/xwiki-platform >= 17.0.0-rc-1, < 17.4.8
xwiki/xwiki-platform >= 17.5.0-rc-1, < 17.10.1
Published Apr 15, 2026
Tracked Since Apr 15, 2026