CVE-2026-40105

MEDIUM EPSS 41.8%
Published Apr 15, 20262mo ago · Modified Jun 17, 20261w ago
6.5 CVSS 4.0
Medium
Find Similar
Published Apr 15, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.5
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
41.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-80

Affected Products 3

VendorProductVersionRange
xwikixwiki*≥10.4  –  <16.10.16
xwikixwiki*≥17.0.0  –  <17.4.8
xwikixwiki*≥17.5.0  –  <17.10.1

References 3

  • github.com https://github.com/xwiki/xwiki-platform/commit/3c8a2ec985641367015c2db937574fcd360c788c
    Patch
  • github.com https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-w4fj-87j5-f25c
    Vendor Advisory
  • jira.xwiki.org https://jira.xwiki.org/browse/XWIKI-23472
    Vendor Advisory

Remediation

  • github.com https://github.com/xwiki/xwiki-platform/commit/3c8a2ec985641367015c2db937574fcd360c788c
    Patch