CVE-2026-23734

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

State: Published
Severity: 9.3 Critical
Published: May 20, 2026
Updated: May 26, 2026
Reserved: Jan 15, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	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	GitHub_M

Weaknesses

CWE-23 Relative Path Traversal

Affected Products

Product	Versions
xwiki-commonsxwiki	>= 4.2-milestone-2, < 16.10.17Affected >= 17.0.0-rc-1, < 17.4.9Affected >= 17.5.0, < 17.10.3Affected >= 18.0.0-rc-1, < 18.1.0-rc-1Affected

References

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