How severe is CVE-2026-23734?

CVE-2026-23734 has a CVSS 4.0 base score of 9.3 (CRITICAL). EPSS estimates a 19.6% probability of exploitation in the next 30 days.

CVE-2026-23734: XWiki Platform: Path traversal via resources

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.

Severity

CVSS 4.0 · CNA9.3 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

SSVC · CISA-ADP

Exploitationnone

Automatableyes

Technical impactpartial

Affected Products

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

References

3 Links

Other references

Record Details

Published

2026-05-20

Last updated

2026-05-26

Assigner (CNA)

GitHub_M

Credited to

More from xwiki

CVE-2025-248939.8

Remote code execution as guest via SolrSearchMacros request in xwiki

Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-23 · Relative Path Traversal

Application Security Tools Penetration Testing Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.