CVE-2026-26000

MEDIUM

XWiki Platform <17.9.0, <17.4.6, <16.10.13 - XSS

Title source: llm
STIX 2.1

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. This vulnerability is fixed in 17.9.0, 17.4.6, and 16.10.13.

Scores

CVSS v3 6.1
EPSS 0.0004
EPSS Percentile 10.8%
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-1021
Status published
Products (2)
org.xwiki.platform/xwiki-platform-web 17.5.0 - 17.9.0Maven
xwiki/xwiki < 16.10.13
Published Feb 12, 2026
Tracked Since Feb 18, 2026