CVE-2026-23734

CRITICAL

XWiki Platform: Path traversal via resources parameter in ssx and jsx endpoints when using leading slash

Title source: cna
STIX 2.1

Description

XWiki Platform is a generic wiki platform. Versions prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17 allow access to read configuration files by using URLs such as http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false, leading to Path Traversal. The vulnerability is can be exploited via resources parameter the ssx and jsx endpoints by using leading slashes. This issue has been patched in 18.1.0-rc-1, 17.10.3, 17.4.9, 16.10.17.

References (3)

Core 3

Scores

CVSS v4 9.3
EPSS 0.0004
EPSS Percentile 11.7%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-23
Status published
Products (4)
xwiki/xwiki-commons < 16.10.17
xwiki/xwiki-commons >= 17.0.0-rc-1, < 17.4.9
xwiki/xwiki-commons >= 17.5.0, < 17.10.3
xwiki/xwiki-commons >= 18.0.0-rc-1, < 18.1.0-rc-1
Published May 20, 2026
Tracked Since May 21, 2026