CVE-2026-40105CWE-80

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

Medium · published April 15, 2026

CVSS v4.0
6.5
EPSS
1%
Percentile
55.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.5 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
EPSS
0.00782 · 55.5th percentile
Weakness
CWE-80 · Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Published
2026-04-15T00:07Z
EPSS history
Timeline
  • 15 APR 00:07Z
    XWiki has Reflected Cross-Site Scripting (XSS) in its page history compare functionality
    cvelistv5